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Topic: Symbolic derivation, of an unknown function
Replies: 5   Last Post: Jan 22, 2007 11:42 AM

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Jérôme Collet

Posts: 3
Registered: 1/16/07
Symbolic derivation, of an unknown function
Posted: Jan 16, 2007 5:09 PM
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I have a problem similar (but much more complicated) to the following :
I have two functions, I0 and I1 depending of u
I know that :
dI0/du=a
I0+I1=u
I would like my computer algebra system remark that:
dI1/du=1-a

I use Maxima, and I could not get the result. I would like to know if it
is even possible, or if I would have to switch to another CAS (Axiom,
for example).



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