Math Processing Error on 'worksheet' mode

[Peter Rowlett]

I'm hoping this is a fairly straightforward issue - something about the way MathJax is called from the worksheet theme? 

I'm trying to print some individualised worksheets for a class on Monday on solving simultaneous equations using Bill's simultaneous equations question and the 'worksheet' theme. 

https://numbas.mathcentre.ac.uk/numbas-previews/exam-763-sffs-simultaneous-equations/index.html

The 'default' theme works fine. In 'worksheet' theme, I always get '[Math Processing Error]' for the eqnarray, but no error for the "x=" and "y=". MathJax is firing, because "x=" and "y=" are displaying properly, and I get a MathJax menu if I right click on '[Math Processing Error]'.

I've attempted to attached an image of what I am seeing.

I tried it on another exam as well and got a similar issue. Larger bits of maths have the error, including ones not in eqnarray like I have a "I=\displaystyle \int \simplify[std]{({a}x+{b})*e^({c}x)} dx" that gives the error, small bits of maths don't give the error, it all works fine in the default theme.

I'm using Chrome 32.0.1700.76 m on Windows 7. I am working on a computer in a lab that I have never used before, but I cleared my cache and tried again just in case. 

In case it is relevant: I recall there was a problem with Math Processing errors about a month ago. I haven't tried the worksheet theme since the summer to know when it was last working. 

Thanks,

Peter.

[Christian Perfect]

Whoops, that probably means I've forgotten to change something in the worksheet them when I changed the way variable substitution works. I'll have a look now.

cp

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[Christian Perfect]

Should be fixed now. Let me know if you find any other problems.

cp

[Rowlett, Peter]

Excellent, thank you!

 

Peter.

 

 

From: Christian Perfect [mailto:christia...@gmail.com]
Sent: 23 January 2014 11:56
To: Rowlett, Peter
Cc: numbas...@googlegroups.com
Subject: Re: Math Processing Error on 'worksheet' mode

 

Should be fixed now. Let me know if you find any other problems.

 

cp

On Thu, Jan 23, 2014 at 11:00 AM, Christian Perfect <christia...@gmail.com> wrote:

Whoops, that probably means I've forgotten to change something in the worksheet them when I changed the way variable substitution works. I'll have a look now.

 

cp

On Thu, Jan 23, 2014 at 10:48 AM, Peter Rowlett <peter....@ntu.ac.uk> wrote:

I'm hoping this is a fairly straightforward issue - something about the way MathJax is called from the worksheet theme? 

 

I'm trying to print some individualised worksheets for a class on Monday on solving simultaneous equations using Bill's simultaneous equations question and the 'worksheet' theme. 

 

https://numbas.mathcentre.ac.uk/numbas-previews/exam-763-sffs-simultaneous-equations/index.html

 

The 'default' theme works fine. In 'worksheet' theme, I always get '[Math Processing Error]' for the eqnarray, but no error for the "x=" and "y=". MathJax is firing, because "x=" and "y=" are displaying properly, and I get a MathJax menu if I right click on '[Math Processing Error]'.

 

I've attempted to attached an image of what I am seeing.

 

I tried it on another exam as well and got a similar issue. Larger bits of maths have the error, including ones not in eqnarray like I have a "I=\displaystyle \int \simplify[std]{({a}x+{b})*e^({c}x)} dx" that gives the error, small bits of maths don't give the error, it all works fine in the default theme.

 

I'm using Chrome 32.0.1700.76 m on Windows 7. I am working on a computer in a lab that I have never used before, but I cleared my cache and tried again just in case. 

 

In case it is relevant: I recall there was a problem with Math Processing errors about a month ago. I haven't tried the worksheet theme since the summer to know when it was last working. 

 

Thanks,

 

Peter.

 

 

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