Mathml fails with semantics

ppavan...@gmail.com

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Aug 22, 2017, 9:36:13 AM8/22/17

to MathJax Users

Hi ,

MathJAX fail to convert below MathML into SVG

<math>
  <semantics>
    <!-- Content MathML -->
    <annotation-xml encoding="MathML-Content">
    <apply><min/>
    <bvar><ci>x</ci></bvar>
    <condition>
    <apply><notin/><ci>x</ci><ci type="set">B</ci></apply>
    </condition>
    <apply><power/><ci>x</ci><cn>2</cn></apply>
  </apply>
    </annotation-xml>
  </semantics>
</math>

What could be workaround or reason for this.

Peter Krautzberger

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Aug 22, 2017, 9:52:30 AM8/22/17

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Hi,

Content MathML requires the appropriate extension to be loaded, cf. http://docs.mathjax.org/en/latest/mathml.html#content-mathml

Regards,

Peter.

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Pavan Tiwari

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Aug 22, 2017, 1:37:22 PM8/22/17

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Hi All,

I am using MathJax js with phantom JS to convert MathML in SVG. I have also tried the same expression with "content-mathml.js" but it failed.

I have also tried with text/html encoding but facing the same issue.

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Davide Cervone

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Aug 22, 2017, 3:37:07 PM8/22/17

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You have not given your MathJax configuration or how you are calling MathJax, or what error messages (if any) you are getting, or any other details about your situation, so it is hard to diagnose the issue you are having.

All I can say is that

<!DOCTYPE html>
<html>
<head>
<title>Semantics with annotation-xml as first child</title>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
MathML: {extensions: ["content-mathml.js"]}
});
</script>
<script type="text/javascript"
src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=MML_SVG"></script>
</head>
<body>

<math>
<semantics>

<annotation-xml encoding="MathML-Content">
<apply><min/>
<bvar><ci>x</ci></bvar>
<condition>
<apply><notin/><ci>x</ci><ci type="set">B</ci></apply>
</condition>
<apply><power/><ci>x</ci><cn>2</cn></apply>
</apply>
</annotation-xml>
</semantics>
</math>

</body>
</html>

works correctly for me, so I suspect there is something wrong at your end.

Davide

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ppavan...@gmail.com

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Oct 9, 2017, 10:36:43 AM10/9/17

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Hi Davide,

I am loading mathjax dynamically in phantomjs, so when should I load MathML-Content extension. I wanted to load the extension from local file system. I have mathjax at local file system.

I have tried this option MathJax.Hub.Config({

    MathML: {extensions: ["content-mathml.js"]}
  });

but no luck.

Davide Cervone

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Oct 19, 2017, 2:15:33 PM10/19/17

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Its hard to tell without the actual code you are using. The MathJax.Hub.Config() has to be in a <script type="text/x-mathjax-config"> that comes BEFORE the script that loads MathJax.js itself. That's the best I can tell you with the information provided.

On the other hand, if you are doing this on a server, you might consider mathjax-node instead.