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RE: [Axiom-developer] [Q] Function for testing for a part of the output
From: |
Page, Bill |
Subject: |
RE: [Axiom-developer] [Q] Function for testing for a part of the output? |
Date: |
Thu, 10 Feb 2005 15:09:14 -0500 |
On Thursday, February 10, 2005 2:36 PM Vladimir Bondarenko asked:
>
> Say, I have D(sin(z)^2, z) and the output is 2cos(z)sin(z)
>
> What is the easiest way to see, if the output has sin(z) ?
> Say, something like
>
> -> present?(sin(z), D(sin(z)^2, z))
> true
>
How about:
member?(cos(z),kernels(D(sin(z)^2,z)))
Regards,
Bill Page.
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