diff into 'sum

• Subject: diff into 'sum
• From: Juan Pablo Carbajal
• Date: Tue, 23 Nov 2010 12:05:43 +0100

Hi all,

Continuing with my work on kinematic chains (yes, I know I should be
using tensors, but it isn't that user-friendly). Is there anyway to
simplify

diff('sum(A(i)*k(t,i),i,1,3),k(t,j));

to

A(j)

I know is really abstract, but maybe someone has already been here?

Thanks

-- 
M. Sc. Juan Pablo Carbajal
-----
PhD Student
University of Z?rich
www.ailab.ch/carbajal

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