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Math Help - diagram

  1. #1
    Member vernal's Avatar
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    diagram

    Hi . can you help me?
    I can't draw it:

    diagram-jh.png
    who can help me? thanks
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  2. #2
    MHF Contributor
    Prove It's Avatar
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    Re: diagram

    If you need help with a question to do with this, you can just post the picture you've drawn.

    Or do you need to know the LaTeX code for some other purpose?
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  3. #3
    Member vernal's Avatar
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    Re: diagram

    Quote Originally Posted by Prove It View Post
    If you need help with a question to do with this, you can just post the picture you've drawn.

    Or do you need to know the LaTeX code for some other purpose?
    I can't write LaTeX code for it
    i need latex code
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  4. #4
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    Re: diagram

    This diagram is too complex for me to write it in full. You can start with the following TikZ code.

    Code:
    \usetikzlibrary{positioning,arrows}
    
    \begin{tikzpicture}[auto,>=stealth']
    \node (N1) {$\llap{$\tilde e:{}$}N_1 \times N_r$};
    \node[right=of N1] (L1) {$\tilde L$};
    \node[above=of N1] (N) {$\llap{$e_r:{}$}N_r$};
    \node[above=of L1] (L) {$L_r$};
    \draw[->>] (N1) -- node[swap] {$\sigma_r$} (N);
    \draw[->>] (L1) -- node[swap] {$\tau_r$} (L);
    \draw[to reversed->] (N) -- node {$\chi_r$} (L);
    \draw[to reversed->] (N1) -- (L1);
    \path[use as bounding box] (-1.3,0) rectangle (0,0); % adds to the bounding box to include \tilde e: from node N1
    \end{tikzpicture}
    Thanks from vernal
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  5. #5
    Member vernal's Avatar
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    Re: diagram

    Quote Originally Posted by emakarov View Post
    This diagram is too complex for me to write it in full. You can start with the following TikZ code.

    Code:
    \usetikzlibrary{positioning,arrows}
    
    \begin{tikzpicture}[auto,>=stealth']
    \node (N1) {$\llap{$\tilde e:{}$}N_1 \times N_r$};
    \node[right=of N1] (L1) {$\tilde L$};
    \node[above=of N1] (N) {$\llap{$e_r:{}$}N_r$};
    \node[above=of L1] (L) {$L_r$};
    \draw[->>] (N1) -- node[swap] {$\sigma_r$} (N);
    \draw[->>] (L1) -- node[swap] {$\tau_r$} (L);
    \draw[to reversed->] (N) -- node {$\chi_r$} (L);
    \draw[to reversed->] (N1) -- (L1);
    \path[use as bounding box] (-1.3,0) rectangle (0,0); % adds to the bounding box to include \tilde e: from node N1
    \end{tikzpicture}
    thanks a lot my freind. now i underestand some thing.
    but please say to me, how draw it:

    diagram-44.jpg
    Attached Thumbnails Attached Thumbnails diagram-222.png  
    Last edited by vernal; May 23rd 2012 at 09:54 PM.
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  6. #6
    MHF Contributor
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    Re: diagram

    Code:
    \usetikzlibrary{arrows,positioning}
    \begin{tikzpicture}[>=stealth',auto]
    \node (top) {$\llap{$\tilde e:{}$}N_1\times N_2$};
    \node[below=1.5cm of top] (mid) {$\llap{$e_1\times A:{}$}N_1\times A$};
    \node[below=1.5cm of mid] (bot) {};
    \draw[stealth' reversed->] (top) -- node {$\sigma$} (mid);
    \draw[->>] (mid) -- node {$\mathsf{nat}'$} (bot);
    \path (top) edge[->,dashed,bend right] (bot);
    %or: \draw[->,dashed] (top) to[bend right] (bot);
    \path[use as bounding box] (-2,0) -- (0,0);
    \end{tikzpicture}
    Thanks from vernal
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