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example_14998_combination_4
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \end{tikzpicture} \end{document}
example_14998_combination_22
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (30:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (330:0.8)$); \end{tikzpicture} \end{document}
example_14998_combination_25
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (30:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (330:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-30:0.8)$); \path ($(9,3.5) + (-100:0.8)$) edge[bend left = 20] ($(9,3.5) + (-330:0.8)$); \end{tikzpicture} \end{document}
example_14998_combination_19
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); \end{tikzpicture} \end{document}
example_14998_combination_16
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \end{tikzpicture} \end{document}
example_14998_combination_11
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14998_combination_24
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (30:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (330:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-30:0.8)$); \end{tikzpicture} \end{document}
example_14998_combination_2
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \end{tikzpicture} \end{document}
example_14998_combination_23
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (30:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (330:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \end{tikzpicture} \end{document}
example_14998_main
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (240:0.8)$) edge[bend left =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (330:0.8)$) edge[bend left =20] ($(3,3.5) + (30:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (30:0.8)$); \path ($(5,3.5) + (330:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (30:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (330:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-30:0.8)$); \path ($(9,3.5) + (-100:0.8)$) edge[bend left = 20] ($(9,3.5) + (-330:0.8)$); % \path ($(11,3.5) + (330:0.8)$) edge[bend left = 20] ($(11,3.5) + (100:0.8)$); \path ($(11,3.5) + (120:0.8)$) edge[bend left = 20] ($(11,3.5) + (240:0.8)$); \path ($(11,3.5) + (260:0.8)$) edge[bend left = 20] ($(11,3.5) + (30:0.8)$); %----- \foreach \n in {0,2,...,10}{ \path ($(1+ \n,3.5) + (75:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-75:0.8)$); \path ($(1 + \n,3.5) + (70:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-70:0.8)$); \path ($(1 + \n,3.5) + (65:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-65:0.8)$); \path ($(1 + \n,3.5) + (60:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-60:0.8)$); \path ($(1 + \n,3.5) + (55:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-55:0.8)$); \node[color = blue, rotate = -17] at (1.4 + \n,4.45) {\footnotesize{$\overbrace{\phantom{}}^{n-1}$}}; \path ($(1 + \n,3.5) + (85:0.8)$) edge[thick, color = brown] ($(1 + \n,3.5) + (-45:0.8)$); } \end{tikzpicture} \end{document}
example_14999_combination_5
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14999_combination_2
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \end{tikzpicture} \end{document}
example_14999_combination_22
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (330:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (30:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_19
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_10
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \end{tikzpicture} \end{document}
example_14999_combination_17
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_3
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14999_combination_4
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \end{tikzpicture} \end{document}
example_14999_combination_11
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14999_combination_18
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_23
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (330:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (30:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_12
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \end{tikzpicture} \end{document}
example_14999_combination_15
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_29
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (330:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (30:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-330:0.8)$); \path ($(9,3.5) + (-100:0.8)$) edge[bend left = 20] ($(9,3.5) + (-30:0.8)$); % \path ($(11,3.5) + (30:0.8)$) edge[bend left = 20] ($(11,3.5) + (100:0.8)$); \path ($(11,3.5) + (120:0.8)$) edge[bend left = 20] ($(11,3.5) + (240:0.8)$); \path ($(11,3.5) + (260:0.8)$) edge[bend left = 20] ($(11,3.5) + (330:0.8)$); %----- \foreach \n in {0,2,...,10}{ \path ($(1+ \n,3.5) + (75:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-75:0.8)$); \path ($(1 + \n,3.5) + (70:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-70:0.8)$); \path ($(1 + \n,3.5) + (65:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-65:0.8)$); \path ($(1 + \n,3.5) + (60:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-60:0.8)$); \path ($(1 + \n,3.5) + (55:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-55:0.8)$); \node[color = blue, rotate = -17] at (1.4 + \n,4.45) {\footnotesize{$\overbrace{\phantom{}}^{n-1}$}}; \path ($(1 + \n,3.5) + (85:0.8)$) edge[bend right = 30, thick, color = brown] ($(1 + \n,3.5) + (45:0.8)$); } \end{tikzpicture} \end{document}
example_14999_combination_20
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_9
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14999_combination_7
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \end{tikzpicture} \end{document}
example_14999_combination_26
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (330:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (30:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-330:0.8)$); \path ($(9,3.5) + (-100:0.8)$) edge[bend left = 20] ($(9,3.5) + (-30:0.8)$); % \path ($(11,3.5) + (30:0.8)$) edge[bend left = 20] ($(11,3.5) + (100:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_14
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \end{tikzpicture} \end{document}
example_14999_combination_8
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \end{tikzpicture} \end{document}
example_14999_main
\documentclass[12 pt]{article} \usepackage{pgfpict2e} \usepackage{amssymb} \usepackage{amsmath} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[scale = 1.3] \draw[dashed] (1,3.5) circle [radius=0.8]; \node at (2,3.5) {=}; \draw[dashed] (3,3.5) circle [radius=0.8]; \node at (4,3.5) {$-$}; \draw[dashed] (5,3.5) circle [radius=0.8]; \node at (6,3.5) {$+$}; \draw[dashed] (7,3.5) circle [radius=0.8]; \node at (8,3.5) {$+$}; \draw[dashed] (9,3.5) circle [radius=0.8]; \node at (10,3.5) {$-$}; \draw[dashed] (11,3.5) circle [radius=0.8]; \node at (12,3.25) {;}; \foreach \n in {0,2,...,10}{ \node(center) at (1 + \n,3.5) {}; \path ($(center) + (20:0.8)$) edge[bend right =20, ultra thick] ($(center) + (40:0.8)$); \path ($(center) + (95:0.8)$) edge[bend right =20, ultra thick] ($(center) + (125:0.8)$); \path ($(center) + (-20:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-40:0.8)$); \path ($(center) + (-95:0.8)$) edge[bend right =-20, ultra thick] ($(center) + (-125:0.8)$); } \path ($(1,3.5) + (120:0.8)$) edge[bend right =20] ($(1,3.5) + (30:0.8)$); \path ($(1,3.5) + (-120:0.8)$) edge[bend left =20] ($(1,3.5) + (330:0.8)$); \path ($(1,3.5) + (100:0.8)$) edge[bend left = 20] ($(1,3.5) + (260:0.8)$); % \path ($(3,3.5) + (110:0.8)$) edge[bend left =20] ($(3,3.5) + (-110:0.8)$); \path ($(3,3.5) + (30:0.8)$) edge[bend right =20] ($(3,3.5) + (330:0.8)$); % \path ($(5,3.5) + (110:0.8)$) edge[bend right =20] ($(5,3.5) + (330:0.8)$); \path ($(5,3.5) + (30:0.8)$) edge[bend right =20] ($(5,3.5) + (-110:0.8)$); % \path ($(7,3.5) + (120:0.8)$) edge[bend left = 20] ($(7,3.5) + (260:0.8)$); \path ($(7,3.5) + (-120:0.8)$) edge[bend left = 20] ($(7,3.5) + (330:0.8)$); \path ($(7,3.5) + (100:0.8)$) edge[bend right = 20] ($(7,3.5) + (30:0.8)$); % \path ($(9,3.5) + (-120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-260:0.8)$); \path ($(9,3.5) + (120:0.8)$) edge[bend right = 20] ($(9,3.5) + (-330:0.8)$); \path ($(9,3.5) + (-100:0.8)$) edge[bend left = 20] ($(9,3.5) + (-30:0.8)$); % \path ($(11,3.5) + (30:0.8)$) edge[bend left = 20] ($(11,3.5) + (100:0.8)$); \path ($(11,3.5) + (120:0.8)$) edge[bend left = 20] ($(11,3.5) + (240:0.8)$); \path ($(11,3.5) + (260:0.8)$) edge[bend left = 20] ($(11,3.5) + (330:0.8)$); %----- \foreach \n in {0,2,...,10}{ \path ($(1+ \n,3.5) + (75:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-75:0.8)$); \path ($(1 + \n,3.5) + (70:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-70:0.8)$); \path ($(1 + \n,3.5) + (65:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-65:0.8)$); \path ($(1 + \n,3.5) + (60:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-60:0.8)$); \path ($(1 + \n,3.5) + (55:0.8)$) edge[color = blue] ($(1 + \n,3.5) + (-55:0.8)$); \node[color = blue, rotate = -17] at (1.4 + \n,4.45) {\footnotesize{$\overbrace{\phantom{}}^{n-1}$}}; \path ($(1 + \n,3.5) + (85:0.8)$) edge[bend right = 30, thick, color = brown] ($(1 + \n,3.5) + (45:0.8)$); } \end{tikzpicture} \end{document}