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I am reading category theory and in order to post my questions I need to make commutative diagrams. Here is a question with useful answers already available.

However I would like to use the DCPic package instead of AMScd. Is it possible to do so ?

Note : I have never used DCPic or any other package previously in latex or on this site and am considering DCPic as this site has a comparision of various packages and DCPic looks the best. Any other related advice is welcome. Thanks a lot !

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  • $\begingroup$ Short answer: no. Longer answer: if you want it you need to convince the mathJax team to support it. Workaround answer: have you tried making your pictures on your computer separately and uploading it as an image? $\endgroup$ – Willie Wong Jun 24 '14 at 10:22
  • $\begingroup$ Please note that this site is not running any sort of TeX. MathJAX is a javascript library which emulate some TeX commands. You cannot simply add a package. Instead, it need someone actually write an emulator for that package. $\endgroup$ – achille hui Jun 24 '14 at 10:58
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    $\begingroup$ @WillieWong Thanks for the help. I did not know that making pictures on my computer and uploading them is an acceptable practice at mse. $\endgroup$ – user90041 Jun 24 '14 at 14:51
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    $\begingroup$ To add to @WillieWong's comment. While one wouldn't technically have to convince the MathJax team -- third party extension are possible -- one would still have to convince Stackexchange to use an extension. E.g., xyjax weighs in at 305KB, a possibly prohibitive size. One technical problem is that MathJax internally uses MathML, which limits the possible constructs (e.g., no easy way to do diagonal arrows; though xyjax works around this by mixing in SVG). $\endgroup$ – Peter Krautzberger Jun 30 '14 at 9:13

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