Typsetting diagram chases (with TikZ?) Announcing the arrival of Valued Associate #679: Cesar...

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Typsetting diagram chases (with TikZ?)



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)How to define the default vertical distance between nodes?To wrap the external lines so that it can touch the perimeterDraw edge on arcNumerical conditional within tikz keys?TikZ: Drawing an arc from an intersection to an intersectionDrawing rectilinear curves in Tikz, aka an Etch-a-Sketch drawingLine up nested tikz enviroments or how to get rid of themHow to place nodes in an absolute coordinate system in tikzCommutative diagram with curve connecting between nodesTikz with standalone: pinning tikz coordinates to page cm












2















Background. I recently came across a Youtube video with a bunch of really nicely typeset 'diagram chases' that seem to have been made in TeX (perhaps TikZ?):



Exmples of a diagram chase



I'd like to create something similar for a presentation that I'm working on, but I feel a bit lost when it comes to figuring out a systematic/scalable way to this.



Own attempt. For small diagrams, it's possible to do this in a very ad hoc way, by just playing around with coordinates and the bend right and bend left attributes in TikZ. A quick example of what this might look like:



documentclass{article}

usepackage{tikz}
usetikzlibrary{arrows.meta}

begin{document}

begin{tikzpicture}[scale=1.5, bend left=15, bend right=15]

node (B) at (0,0) {$B$};
node (B') at (0,-1) {$B'$};
node (C) at (1,0) {$C$};
node (C') at (1,-1) {$C'$};

draw[->,gray] (B) -- (B');
draw[->,gray,shorten >= -1pt] (B') -- (C');
draw[->,gray,shorten >= -1pt] (B) -- (C);
draw[->,gray] (C) -- (C');

node (b) at (-0.3,0.2) {footnotesize $b$};
node (bprime) at (-0.3,-1.2) {footnotesize $b'$};
node (cbar) at (0.7,0.2) {footnotesize $bar{c}$};
node (cdiff) at (0.7,-1.3) {footnotesize $c'-c''$};

path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend left] node [left] {} (cbar);
path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (bprime);
path (bprime) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (cdiff);
path (cbar) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right, shorten >= -2pt, shorten <= -1pt] node [left] {} (cdiff);

end{tikzpicture}

end{document}


Result of own attempt



I think this gives a decent end result. But for larger diagrams, it would be an absolute nightmare to work with a code that is so messy and so heavily dependent on coordinates and tweaked parameters.



Thus, if anyone has suggestions (big or small) for a more clever way to do this (with or without TikZ) and/or a way to make my own approach a bit cleaner or more systematic somehow, that would be greatly appreciated!










share|improve this question

























  • The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

    – JouleV
    2 hours ago











  • Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

    – Oskar Henriksson
    1 hour ago
















2















Background. I recently came across a Youtube video with a bunch of really nicely typeset 'diagram chases' that seem to have been made in TeX (perhaps TikZ?):



Exmples of a diagram chase



I'd like to create something similar for a presentation that I'm working on, but I feel a bit lost when it comes to figuring out a systematic/scalable way to this.



Own attempt. For small diagrams, it's possible to do this in a very ad hoc way, by just playing around with coordinates and the bend right and bend left attributes in TikZ. A quick example of what this might look like:



documentclass{article}

usepackage{tikz}
usetikzlibrary{arrows.meta}

begin{document}

begin{tikzpicture}[scale=1.5, bend left=15, bend right=15]

node (B) at (0,0) {$B$};
node (B') at (0,-1) {$B'$};
node (C) at (1,0) {$C$};
node (C') at (1,-1) {$C'$};

draw[->,gray] (B) -- (B');
draw[->,gray,shorten >= -1pt] (B') -- (C');
draw[->,gray,shorten >= -1pt] (B) -- (C);
draw[->,gray] (C) -- (C');

node (b) at (-0.3,0.2) {footnotesize $b$};
node (bprime) at (-0.3,-1.2) {footnotesize $b'$};
node (cbar) at (0.7,0.2) {footnotesize $bar{c}$};
node (cdiff) at (0.7,-1.3) {footnotesize $c'-c''$};

path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend left] node [left] {} (cbar);
path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (bprime);
path (bprime) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (cdiff);
path (cbar) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right, shorten >= -2pt, shorten <= -1pt] node [left] {} (cdiff);

end{tikzpicture}

end{document}


Result of own attempt



I think this gives a decent end result. But for larger diagrams, it would be an absolute nightmare to work with a code that is so messy and so heavily dependent on coordinates and tweaked parameters.



Thus, if anyone has suggestions (big or small) for a more clever way to do this (with or without TikZ) and/or a way to make my own approach a bit cleaner or more systematic somehow, that would be greatly appreciated!










share|improve this question

























  • The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

    – JouleV
    2 hours ago











  • Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

    – Oskar Henriksson
    1 hour ago














2












2








2








Background. I recently came across a Youtube video with a bunch of really nicely typeset 'diagram chases' that seem to have been made in TeX (perhaps TikZ?):



Exmples of a diagram chase



I'd like to create something similar for a presentation that I'm working on, but I feel a bit lost when it comes to figuring out a systematic/scalable way to this.



Own attempt. For small diagrams, it's possible to do this in a very ad hoc way, by just playing around with coordinates and the bend right and bend left attributes in TikZ. A quick example of what this might look like:



documentclass{article}

usepackage{tikz}
usetikzlibrary{arrows.meta}

begin{document}

begin{tikzpicture}[scale=1.5, bend left=15, bend right=15]

node (B) at (0,0) {$B$};
node (B') at (0,-1) {$B'$};
node (C) at (1,0) {$C$};
node (C') at (1,-1) {$C'$};

draw[->,gray] (B) -- (B');
draw[->,gray,shorten >= -1pt] (B') -- (C');
draw[->,gray,shorten >= -1pt] (B) -- (C);
draw[->,gray] (C) -- (C');

node (b) at (-0.3,0.2) {footnotesize $b$};
node (bprime) at (-0.3,-1.2) {footnotesize $b'$};
node (cbar) at (0.7,0.2) {footnotesize $bar{c}$};
node (cdiff) at (0.7,-1.3) {footnotesize $c'-c''$};

path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend left] node [left] {} (cbar);
path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (bprime);
path (bprime) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (cdiff);
path (cbar) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right, shorten >= -2pt, shorten <= -1pt] node [left] {} (cdiff);

end{tikzpicture}

end{document}


Result of own attempt



I think this gives a decent end result. But for larger diagrams, it would be an absolute nightmare to work with a code that is so messy and so heavily dependent on coordinates and tweaked parameters.



Thus, if anyone has suggestions (big or small) for a more clever way to do this (with or without TikZ) and/or a way to make my own approach a bit cleaner or more systematic somehow, that would be greatly appreciated!










share|improve this question
















Background. I recently came across a Youtube video with a bunch of really nicely typeset 'diagram chases' that seem to have been made in TeX (perhaps TikZ?):



Exmples of a diagram chase



I'd like to create something similar for a presentation that I'm working on, but I feel a bit lost when it comes to figuring out a systematic/scalable way to this.



Own attempt. For small diagrams, it's possible to do this in a very ad hoc way, by just playing around with coordinates and the bend right and bend left attributes in TikZ. A quick example of what this might look like:



documentclass{article}

usepackage{tikz}
usetikzlibrary{arrows.meta}

begin{document}

begin{tikzpicture}[scale=1.5, bend left=15, bend right=15]

node (B) at (0,0) {$B$};
node (B') at (0,-1) {$B'$};
node (C) at (1,0) {$C$};
node (C') at (1,-1) {$C'$};

draw[->,gray] (B) -- (B');
draw[->,gray,shorten >= -1pt] (B') -- (C');
draw[->,gray,shorten >= -1pt] (B) -- (C);
draw[->,gray] (C) -- (C');

node (b) at (-0.3,0.2) {footnotesize $b$};
node (bprime) at (-0.3,-1.2) {footnotesize $b'$};
node (cbar) at (0.7,0.2) {footnotesize $bar{c}$};
node (cdiff) at (0.7,-1.3) {footnotesize $c'-c''$};

path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend left] node [left] {} (cbar);
path (b) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (bprime);
path (bprime) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right] node [left] {} (cdiff);
path (cbar) edge [{|[scale=0.7]}-{>[scale=0.7]},bend right, shorten >= -2pt, shorten <= -1pt] node [left] {} (cdiff);

end{tikzpicture}

end{document}


Result of own attempt



I think this gives a decent end result. But for larger diagrams, it would be an absolute nightmare to work with a code that is so messy and so heavily dependent on coordinates and tweaked parameters.



Thus, if anyone has suggestions (big or small) for a more clever way to do this (with or without TikZ) and/or a way to make my own approach a bit cleaner or more systematic somehow, that would be greatly appreciated!







tikz-pgf diagrams tikz-cd commutative-diagrams






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 26 mins ago









JouleV

13.5k22664




13.5k22664










asked 2 hours ago









Oskar HenrikssonOskar Henriksson

1256




1256













  • The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

    – JouleV
    2 hours ago











  • Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

    – Oskar Henriksson
    1 hour ago



















  • The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

    – JouleV
    2 hours ago











  • Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

    – Oskar Henriksson
    1 hour ago

















The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

– JouleV
2 hours ago





The diagram was created with a very nice tool, but that is not TikZ (as far as I can see). Anyway, it is always possible to create the diagram using TikZ.

– JouleV
2 hours ago













Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

– Oskar Henriksson
1 hour ago





Any other tools that you think could be useful? I'm definitely willing to try out other tools than TikZ if need be!

– Oskar Henriksson
1 hour ago










1 Answer
1






active

oldest

votes


















3














We clearly can't avoid difficulties and complexity when dealing with such a complicated graph when using any kinds of tool, but by using matrices it has saved a lot of work.



documentclass[tikz]{standalone}
usetikzlibrary{matrix,positioning,arrows.meta}
usepackage{mathptmx}
tikzset{toarrow/.style={{|[scale=0.7]}-{>[scale=0.7]}},
backarrow/.style={{<[scale=0.7]}-{|[scale=0.7]}}}
begin{document}
begin{tikzpicture}
matrix[matrix of math nodes,row sep=2cm,column sep=2cm] (m) {%
A & B & C & D & E\
A' & B' & C' & D' & E'\};
path (m-1-2) node[above left=1.5ex and 1.5ex] (b) {$b$}
(m-1-3) node[above left=1.5ex and 1.5ex] (c) {$c$}
(m-1-4) node[above left=1.5ex and 1.5ex] (d) {$d$}
(m-1-5) node[above left=1.5ex and 1.5ex] (e) {$e$}
(m-2-2) node[below left=1.5ex and 1.5ex] (b2) {$b'$}
(m-2-3) node[below left=1.5ex and 1.5ex] (c2) {$c'$}
(m-2-4) node[below left=1.5ex and 1.5ex] (d2) {$d'$}
(m-2-5) node[below left=1.5ex and 1.5ex] (e2) {$0$}
(m-2-3) node[above left=1.5ex and 1.5ex] (c3) {$c''$}
(c) node[above left=1.5ex and -1.5ex] (cp) {$overline{c}+c$}
(c2) node[below=1.5ex] (cm) {$c'-c''$}
(d2) node[below=1.5ex] (db) {$0$}
(e.base east) node[above right=-.3333em and -1ex] {$=0$}
(c.base west) node[above left=-.3333em and 1.5ex] (co) {$overline{c}$};
% Delete the following part to see what happens
foreach i [count=j from 2] in {1,2,3,4} {
draw[dotted,->] (m-1-i) -- (m-2-i);
draw[dotted,->] (m-1-i) -- (m-1-j);
draw[dotted,->] (m-2-i) -- (m-2-j);
}
draw[dotted,->] (m-1-5) -- (m-2-5);
draw[toarrow] (b) edge[bend right] (b2) edge[bend left] (co);
draw[toarrow] (b2) to[bend right] (cm);
draw[toarrow] (cm) to[bend right] (db);
draw[toarrow] (co) to[bend right] (cm);
draw[toarrow] (cp) to[bend right] (c2);
draw[toarrow] (c) edge[bend right] (c3) edge[bend left] (d);
draw[backarrow] (d2) edge[bend left] (c2) edge[bend right=20] (c3) edge[bend left] (d);
draw[backarrow] (e2) edge[bend left] (d2) edge[bend left] (e);
draw[toarrow] (d) edge[bend left] (e);
end{tikzpicture}
end{document}


enter image description here






share|improve this answer


























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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    We clearly can't avoid difficulties and complexity when dealing with such a complicated graph when using any kinds of tool, but by using matrices it has saved a lot of work.



    documentclass[tikz]{standalone}
    usetikzlibrary{matrix,positioning,arrows.meta}
    usepackage{mathptmx}
    tikzset{toarrow/.style={{|[scale=0.7]}-{>[scale=0.7]}},
    backarrow/.style={{<[scale=0.7]}-{|[scale=0.7]}}}
    begin{document}
    begin{tikzpicture}
    matrix[matrix of math nodes,row sep=2cm,column sep=2cm] (m) {%
    A & B & C & D & E\
    A' & B' & C' & D' & E'\};
    path (m-1-2) node[above left=1.5ex and 1.5ex] (b) {$b$}
    (m-1-3) node[above left=1.5ex and 1.5ex] (c) {$c$}
    (m-1-4) node[above left=1.5ex and 1.5ex] (d) {$d$}
    (m-1-5) node[above left=1.5ex and 1.5ex] (e) {$e$}
    (m-2-2) node[below left=1.5ex and 1.5ex] (b2) {$b'$}
    (m-2-3) node[below left=1.5ex and 1.5ex] (c2) {$c'$}
    (m-2-4) node[below left=1.5ex and 1.5ex] (d2) {$d'$}
    (m-2-5) node[below left=1.5ex and 1.5ex] (e2) {$0$}
    (m-2-3) node[above left=1.5ex and 1.5ex] (c3) {$c''$}
    (c) node[above left=1.5ex and -1.5ex] (cp) {$overline{c}+c$}
    (c2) node[below=1.5ex] (cm) {$c'-c''$}
    (d2) node[below=1.5ex] (db) {$0$}
    (e.base east) node[above right=-.3333em and -1ex] {$=0$}
    (c.base west) node[above left=-.3333em and 1.5ex] (co) {$overline{c}$};
    % Delete the following part to see what happens
    foreach i [count=j from 2] in {1,2,3,4} {
    draw[dotted,->] (m-1-i) -- (m-2-i);
    draw[dotted,->] (m-1-i) -- (m-1-j);
    draw[dotted,->] (m-2-i) -- (m-2-j);
    }
    draw[dotted,->] (m-1-5) -- (m-2-5);
    draw[toarrow] (b) edge[bend right] (b2) edge[bend left] (co);
    draw[toarrow] (b2) to[bend right] (cm);
    draw[toarrow] (cm) to[bend right] (db);
    draw[toarrow] (co) to[bend right] (cm);
    draw[toarrow] (cp) to[bend right] (c2);
    draw[toarrow] (c) edge[bend right] (c3) edge[bend left] (d);
    draw[backarrow] (d2) edge[bend left] (c2) edge[bend right=20] (c3) edge[bend left] (d);
    draw[backarrow] (e2) edge[bend left] (d2) edge[bend left] (e);
    draw[toarrow] (d) edge[bend left] (e);
    end{tikzpicture}
    end{document}


    enter image description here






    share|improve this answer






























      3














      We clearly can't avoid difficulties and complexity when dealing with such a complicated graph when using any kinds of tool, but by using matrices it has saved a lot of work.



      documentclass[tikz]{standalone}
      usetikzlibrary{matrix,positioning,arrows.meta}
      usepackage{mathptmx}
      tikzset{toarrow/.style={{|[scale=0.7]}-{>[scale=0.7]}},
      backarrow/.style={{<[scale=0.7]}-{|[scale=0.7]}}}
      begin{document}
      begin{tikzpicture}
      matrix[matrix of math nodes,row sep=2cm,column sep=2cm] (m) {%
      A & B & C & D & E\
      A' & B' & C' & D' & E'\};
      path (m-1-2) node[above left=1.5ex and 1.5ex] (b) {$b$}
      (m-1-3) node[above left=1.5ex and 1.5ex] (c) {$c$}
      (m-1-4) node[above left=1.5ex and 1.5ex] (d) {$d$}
      (m-1-5) node[above left=1.5ex and 1.5ex] (e) {$e$}
      (m-2-2) node[below left=1.5ex and 1.5ex] (b2) {$b'$}
      (m-2-3) node[below left=1.5ex and 1.5ex] (c2) {$c'$}
      (m-2-4) node[below left=1.5ex and 1.5ex] (d2) {$d'$}
      (m-2-5) node[below left=1.5ex and 1.5ex] (e2) {$0$}
      (m-2-3) node[above left=1.5ex and 1.5ex] (c3) {$c''$}
      (c) node[above left=1.5ex and -1.5ex] (cp) {$overline{c}+c$}
      (c2) node[below=1.5ex] (cm) {$c'-c''$}
      (d2) node[below=1.5ex] (db) {$0$}
      (e.base east) node[above right=-.3333em and -1ex] {$=0$}
      (c.base west) node[above left=-.3333em and 1.5ex] (co) {$overline{c}$};
      % Delete the following part to see what happens
      foreach i [count=j from 2] in {1,2,3,4} {
      draw[dotted,->] (m-1-i) -- (m-2-i);
      draw[dotted,->] (m-1-i) -- (m-1-j);
      draw[dotted,->] (m-2-i) -- (m-2-j);
      }
      draw[dotted,->] (m-1-5) -- (m-2-5);
      draw[toarrow] (b) edge[bend right] (b2) edge[bend left] (co);
      draw[toarrow] (b2) to[bend right] (cm);
      draw[toarrow] (cm) to[bend right] (db);
      draw[toarrow] (co) to[bend right] (cm);
      draw[toarrow] (cp) to[bend right] (c2);
      draw[toarrow] (c) edge[bend right] (c3) edge[bend left] (d);
      draw[backarrow] (d2) edge[bend left] (c2) edge[bend right=20] (c3) edge[bend left] (d);
      draw[backarrow] (e2) edge[bend left] (d2) edge[bend left] (e);
      draw[toarrow] (d) edge[bend left] (e);
      end{tikzpicture}
      end{document}


      enter image description here






      share|improve this answer




























        3












        3








        3







        We clearly can't avoid difficulties and complexity when dealing with such a complicated graph when using any kinds of tool, but by using matrices it has saved a lot of work.



        documentclass[tikz]{standalone}
        usetikzlibrary{matrix,positioning,arrows.meta}
        usepackage{mathptmx}
        tikzset{toarrow/.style={{|[scale=0.7]}-{>[scale=0.7]}},
        backarrow/.style={{<[scale=0.7]}-{|[scale=0.7]}}}
        begin{document}
        begin{tikzpicture}
        matrix[matrix of math nodes,row sep=2cm,column sep=2cm] (m) {%
        A & B & C & D & E\
        A' & B' & C' & D' & E'\};
        path (m-1-2) node[above left=1.5ex and 1.5ex] (b) {$b$}
        (m-1-3) node[above left=1.5ex and 1.5ex] (c) {$c$}
        (m-1-4) node[above left=1.5ex and 1.5ex] (d) {$d$}
        (m-1-5) node[above left=1.5ex and 1.5ex] (e) {$e$}
        (m-2-2) node[below left=1.5ex and 1.5ex] (b2) {$b'$}
        (m-2-3) node[below left=1.5ex and 1.5ex] (c2) {$c'$}
        (m-2-4) node[below left=1.5ex and 1.5ex] (d2) {$d'$}
        (m-2-5) node[below left=1.5ex and 1.5ex] (e2) {$0$}
        (m-2-3) node[above left=1.5ex and 1.5ex] (c3) {$c''$}
        (c) node[above left=1.5ex and -1.5ex] (cp) {$overline{c}+c$}
        (c2) node[below=1.5ex] (cm) {$c'-c''$}
        (d2) node[below=1.5ex] (db) {$0$}
        (e.base east) node[above right=-.3333em and -1ex] {$=0$}
        (c.base west) node[above left=-.3333em and 1.5ex] (co) {$overline{c}$};
        % Delete the following part to see what happens
        foreach i [count=j from 2] in {1,2,3,4} {
        draw[dotted,->] (m-1-i) -- (m-2-i);
        draw[dotted,->] (m-1-i) -- (m-1-j);
        draw[dotted,->] (m-2-i) -- (m-2-j);
        }
        draw[dotted,->] (m-1-5) -- (m-2-5);
        draw[toarrow] (b) edge[bend right] (b2) edge[bend left] (co);
        draw[toarrow] (b2) to[bend right] (cm);
        draw[toarrow] (cm) to[bend right] (db);
        draw[toarrow] (co) to[bend right] (cm);
        draw[toarrow] (cp) to[bend right] (c2);
        draw[toarrow] (c) edge[bend right] (c3) edge[bend left] (d);
        draw[backarrow] (d2) edge[bend left] (c2) edge[bend right=20] (c3) edge[bend left] (d);
        draw[backarrow] (e2) edge[bend left] (d2) edge[bend left] (e);
        draw[toarrow] (d) edge[bend left] (e);
        end{tikzpicture}
        end{document}


        enter image description here






        share|improve this answer















        We clearly can't avoid difficulties and complexity when dealing with such a complicated graph when using any kinds of tool, but by using matrices it has saved a lot of work.



        documentclass[tikz]{standalone}
        usetikzlibrary{matrix,positioning,arrows.meta}
        usepackage{mathptmx}
        tikzset{toarrow/.style={{|[scale=0.7]}-{>[scale=0.7]}},
        backarrow/.style={{<[scale=0.7]}-{|[scale=0.7]}}}
        begin{document}
        begin{tikzpicture}
        matrix[matrix of math nodes,row sep=2cm,column sep=2cm] (m) {%
        A & B & C & D & E\
        A' & B' & C' & D' & E'\};
        path (m-1-2) node[above left=1.5ex and 1.5ex] (b) {$b$}
        (m-1-3) node[above left=1.5ex and 1.5ex] (c) {$c$}
        (m-1-4) node[above left=1.5ex and 1.5ex] (d) {$d$}
        (m-1-5) node[above left=1.5ex and 1.5ex] (e) {$e$}
        (m-2-2) node[below left=1.5ex and 1.5ex] (b2) {$b'$}
        (m-2-3) node[below left=1.5ex and 1.5ex] (c2) {$c'$}
        (m-2-4) node[below left=1.5ex and 1.5ex] (d2) {$d'$}
        (m-2-5) node[below left=1.5ex and 1.5ex] (e2) {$0$}
        (m-2-3) node[above left=1.5ex and 1.5ex] (c3) {$c''$}
        (c) node[above left=1.5ex and -1.5ex] (cp) {$overline{c}+c$}
        (c2) node[below=1.5ex] (cm) {$c'-c''$}
        (d2) node[below=1.5ex] (db) {$0$}
        (e.base east) node[above right=-.3333em and -1ex] {$=0$}
        (c.base west) node[above left=-.3333em and 1.5ex] (co) {$overline{c}$};
        % Delete the following part to see what happens
        foreach i [count=j from 2] in {1,2,3,4} {
        draw[dotted,->] (m-1-i) -- (m-2-i);
        draw[dotted,->] (m-1-i) -- (m-1-j);
        draw[dotted,->] (m-2-i) -- (m-2-j);
        }
        draw[dotted,->] (m-1-5) -- (m-2-5);
        draw[toarrow] (b) edge[bend right] (b2) edge[bend left] (co);
        draw[toarrow] (b2) to[bend right] (cm);
        draw[toarrow] (cm) to[bend right] (db);
        draw[toarrow] (co) to[bend right] (cm);
        draw[toarrow] (cp) to[bend right] (c2);
        draw[toarrow] (c) edge[bend right] (c3) edge[bend left] (d);
        draw[backarrow] (d2) edge[bend left] (c2) edge[bend right=20] (c3) edge[bend left] (d);
        draw[backarrow] (e2) edge[bend left] (d2) edge[bend left] (e);
        draw[toarrow] (d) edge[bend left] (e);
        end{tikzpicture}
        end{document}


        enter image description here







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 1 hour ago

























        answered 1 hour ago









        JouleVJouleV

        13.5k22664




        13.5k22664






























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