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I need to make something that should look like this (sorry for such low quality of picture)

enter image description here

So I type this but it's doesn't work correctly:


    \node (A) at (0,0) {$ \vec{\bf r} = \vec{\bf R}(\vec{\bf r},\bf t)$};

    \node (B) at (0, 20)

                {$ X_1 = X_1(X_1,X_2,X_3,t) $};


                {$ x_3 = x_3(X_1,X_2,X_3,t) $};

    \draw[->] (A) -| node[near start,below]  (B);


Here are some errors (which are related to this code part) from .log:

line 0: Argument of \tikz@scan@no@calculator has an extra }
line 0: Package tikz Error: Giving up on this path. Did you forget a semicolon?
line 277: Bad math environment delimiter. {$
line 277: Missing $ inserted {$ X_
line 277: Missing \cr inserted {$ X_1 = X_1(X_1,X_2,X_3,t) $}
line 0: Misplaced \crcr
line 0: Missing \endgroup inserted
line 283: Missing $ inserted \]
line 283: Missing } inserted \]
line 284: Package tikz Error: Giving up on this path. Did you forget a semicolon? $}
line 285: Missing $ inserted I've inserted a begin-math/end-math symbol since I think
share|improve this question
That example gives all kinds of problems if you do not load the correct packages, would you mind updating you question with proper loading of packages for a full MWE? Welcome to TeX SE! :) – zeroth Sep 28 '12 at 17:42
In this example, you are trying to start a displaymath environment within $$, you could try removing the \[ and \] and see if it helps. – T. Verron Sep 29 '12 at 8:33
up vote 6 down vote accepted

One possibility using a matrix of math nodes:



\begin{tikzpicture}[every left delimiter/.style={xshift=1ex}]
\node (r) {$\vec{r}=\vec{r}(\vec{R},t)$};
\matrix[matrix of math nodes,left delimiter=\lbrace,below = 10pt of r] (mat)
x_1 = F(x) \\
\cdots \\
x_1 = F(x) \\
\draw[->,shorten >= 6pt] (r.west) -- +(-15pt,0) |- (mat);


enter image description here

share|improve this answer
Oh thank you so much! – Danil Gholtsman Sep 28 '12 at 17:47

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