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Re: Problems with symbolic computation
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From: |
Jurgen Defurne |
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Subject: |
Re: Problems with symbolic computation |
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Date: |
Sat, 10 Mar 2012 09:15:26 +0100 |
On Fri, 09 Mar 2012 18:39:01 +0100
Martin Helm <address@hidden> wrote:
> help sym2poly shows that one result is returned not two, what do you
> expect to get back for b?
yes, you are right. I was mixing numden, which returns two returnvalues,
with sym2poly.
I think that I also found a solution to my problem, because the problem
only appears with negative powers of a symbolic variable. Normalizing
by multiplying with the inverse of the most negative power, so that there
are no negative powers anymore does the trick.
Regards,
Jurgen