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Question: Matrix differentiation

Question:Matrix differentiation

pik1432 245 Maple
matrix differentiation
January 21 2020
1

Dear all, 

Would you let me know how to run a matrix differentiation?

restart;
with(LinearAlgebra):

with(VectorCalculus):

x:=<<x1>,<x2>>

W:=<<w11, w12>|<w21, w22>>
Cal:=Transpose(W.x).(W.x)

## Up to this point, there was no problem 

map(diff,Cal,x) ## Then, this operation caused an error

 

What I wanted to do is 

diff(VectorCalculus:-Norm(W.x)^2, x)

 

Thank you, 

In Kwon Park 


 

 

 
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