[LON-CAPA-users] looking for linear algebra library

[Guy Albertelli II]

Hi Jay,

> Okay, maybe I spoke to soon. Is there a character limit on the output of &cas?
> 
> When I try the following, the output seems truncated:
> 
> <script type="loncapa/perl">
> $s= 'maxima';
> $str = &cas($s,'invert(matrix([10,-4],[1,0.5]))');
> </script>
> $str
> 
> The output on the screen is:
> matrix([0.05555555555556,0.44444444444444],

What server /resource did you see this? (I quickly checked msu and
educog and both seemed fine with the above minimal problem)

> 
> 
> If instead I do:
> <script type="loncapa/perl">
> $s= 'maxima';
> $str = &cas($s,'invert(matrix([10,-4],[1,1/2]))');   # **** note the
> only change is using 1/2 instead of 0.5
> </script>
> $str
> 
> The output is:
> matrix([1/18,4/9],[-1/9,10/9])
> 
> How can I get it to work in the first example?
> 
> Jay
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-- 
guy@albertelli.com   0-7-0-6-27,137