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Math Help - Diagram in LaTeX

  1. #1
    Super Member redsoxfan325's Avatar
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    Diagram in LaTeX

    Is there anyway I can display this diagram in LaTeX? Thanks.
    Attached Thumbnails Attached Thumbnails Diagram in LaTeX-vect-category-diagram.jpg  
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  2. #2
    Super Member flyingsquirrel's Avatar
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    Quote Originally Posted by redsoxfan325 View Post
    Is there anyway I can display this diagram in LaTeX?
    This diagram can be drawn using TikZ (see attachment) :
    Code:
    \documentclass[a4paper,11pt]{article}
    
    \usepackage{tikz}
    \usetikzlibrary{matrix,arrows}
    
    \title{Diagram in \LaTeX}
    \date{}
    
    \begin{document}
    \maketitle
    
    \centering
    \begin{tikzpicture}[description/.style={fill=white,inner sep=2pt}] 
        \matrix (m) [matrix of math nodes, row sep=2.5em, column sep=2.5em]
        { V & & V\oplus W & & W \\
            & & U & & \\ }; 
        \path[->,font=\scriptsize] 
            (m-1-1) edge node[auto] {$i$} (m-1-3)
            (m-1-1) edge node[auto,swap] {$\phi$} (m-2-3)
            (m-1-5) edge node[auto,swap] {$j$} (m-1-3)
            (m-1-5) edge node[auto] {$\psi$} (m-2-3)
            (m-1-3) edge node[auto] {$\alpha$} (m-2-3);
    \end{tikzpicture}
    
    \end{document}
    If you want to learn how to draw such a diagram I suggest you read this tutorial.
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  3. #3
    Super Member redsoxfan325's Avatar
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    Many thanks!
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