How can i differentiate a matrix by vector??

2017 12 13
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更新时间：2018 12 14
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I have a 4*4 matrix, K=[200 0 -100 0;0 200 0 -100;-100 0 150 ( mu * 100)-50;0 -100 -50 350] and a randomly generated 1000*1 vector mu.How can i differentiate K with respect to mu.
Thanks

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Torsten
Torsten 2017-12-13
If you tell us what it means to "differentiate a matrix by a vector", maybe somebody can help.
Best wishes
Torsten.
i want to find out dK/d mu..where K is 4*4 matrix which is mentioned above and mu is a 1000*1 vector.
Torsten
Torsten 2017-12-13
What is dK/d mu ?
Could you show it for a simple example ?
Best wishes
Torsten.

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回答（1 个）

Tony Cheng
Tony Cheng 2018-12-14

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maybe you can differentiate each column of the matrix by the vector, then assemble the results together as a new matrix.

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