I have
\begin{tikzpicture}[->,auto,node distance=3cm,
thick,main node/.style={draw,font=\bfseries}]
\node[main node] (111) at (0,1) {$X_{1,1}^{(1)}$};
\node[main node] (121) at (0,2) {$X_{1,2}^{(1)}$};
\node[main node] (1n1) at (0,4) {$X_{1,n}^{(1)}$};
\node[main node] (211) at (0,6) {$X_{2,1}^{(1)}$};
\node[main node] (221) at (0,7) {$X_{2,2}^{(1)}$};
\node[main node] (2n1) at (0,9) {$X_{2,n}^{(1)}$};
\node[main node] (n11) at (0,11) {$X_{n,1}^{(1)}$};
\node[main node] (n21) at (0,12) {$X_{n,2}^{(1)}$};
\node[main node] (nn1) at (0,14) {$X_{n,n}^{(1)}$};
\node[main node] (112) at (2.5,1) {$X_{1,1}^{(2)}$};
\node[main node] (122) at (2.5,2) {$X_{1,2}^{(2)}$};
\node[main node] (1n2) at (2.5,4) {$X_{1,n}^{(2)}$};
\node[main node] (212) at (2.5,6) {$X_{2,1}^{(2)}$};
\node[main node] (222) at (2.5,7) {$X_{2,2}^{(2)}$};
\node[main node] (2n2) at (2.5,9) {$X_{2,n}^{(2)}$};
\node[main node] (n12) at (2.5,11) {$X_{n,1}^{(2)}$};
\node[main node] (n22) at (2.5,12) {$X_{n,2}^{(2)}$};
\node[main node] (nn2) at (2.5,14) {$X_{n,n}^{(2)}$};
\node[main node] (11k) at (6,1) {$X_{1,1}^{(k)}$};
\node[main node] (12k) at (6,2) {$X_{1,2}^{(k)}$};
\node[main node] (1nk) at (6,4) {$X_{1,n}^{(k)}$};
\node[main node] (21k) at (6,6) {$X_{2,1}^{(k)}$};
\node[main node] (22k) at (6,7) {$X_{2,2}^{(k)}$};
\node[main node] (2nk) at (6,9) {$X_{2,n}^{(k)}$};
\node[main node] (n1k) at (6,11) {$X_{n,1}^{(k)}$};
\node[main node] (n2k) at (6,12) {$X_{n,2}^{(k)}$};
\node[main node] (nnk) at (6,14) {$X_{n,n}^{(k)}$};
\node[main node] (11n2) at (9.5,1) {$X_{1,1}^{(n-2)}$};
\node[main node] (12n2) at (9.5,2) {$X_{1,2}^{(n-2)}$};
\node[main node] (1nn2) at (9.5,4) {$X_{1,n}^{(n-2)}$};
\node[main node] (21n2) at (9.5,6) {$X_{2,1}^{(n-2)}$};
\node[main node] (22n2) at (9.5,7) {$X_{2,2}^{(n-2)}$};
\node[main node] (2nn2) at (9.5,9) {$X_{2,n}^{(n-2)}$};
\node[main node] (n1n2) at (9.5,11) {$X_{n,1}^{(n-2)}$};
\node[main node] (n2n2) at (9.5,12) {$X_{n,2}^{(n-2)}$};
\node[main node] (nnn2) at (9.5,14) {$X_{n,n}^{(n-2)}$};
\node[main node] (11n1) at (12,1) {$X_{1,1}^{(n-1)}$};
\node[main node] (12n1) at (12,2) {$X_{1,2}^{(n-1)}$};
\node[main node] (1nn1) at (12,4) {$X_{1,n}^{(n-1)}$};
\node[main node] (21n1) at (12,6) {$X_{2,1}^{(n-1)}$};
\node[main node] (22n1) at (12,7) {$X_{2,2}^{(n-1)}$};
\node[main node] (2nn1) at (12,9) {$X_{2,n}^{(n-1)}$};
\node[main node] (n1n1) at (12,11) {$X_{n,1}^{(n-1)}$};
\node[main node] (n2n1) at (12,12) {$X_{n,2}^{(n-1)}$};
\node[main node] (nnn1) at (12,14) {$X_{n,n}^{(n-1)}$};
\path
(111) edge (112)
edge (122)
edge (1n2)
(121) edge (112)
edge (122)
edge (1n2)
(1n1) edge (112)
edge (122)
edge (1n2)
(121) edge[--,dashed] (1n1);
\end{tikzpicture}
I just want simple lines, no arrows.
How to manage with edge
to achieve that? Thanks
-
instead of a double one for switching off the arrow locally.->
from the options to thetikzpicture
environment?