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February 27th, 2017, 04:19 PM   #1
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Help needed with partial differentiation equation of matrices

With reference to Eq. 16 in the attachment, I need help in understanding how the working is done to obtain the answers in Eq. 17.

Eqs. 10, 11, and 15 are the inputs needed to solve Eg. 16.

I am puzzled how a matrix could be differentiated with respect to another matrix. I would highly appreciate it if an example calculation can be shown. Thanks in advance!
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 March 5th, 2017, 04:08 AM #2 Newbie     Joined: Jun 2016 From: Hong Kong Posts: 20 Thanks: 2 From the results,I see that is dot product,not differentiation $\displaystyle R_{i\_st}=\sum_{k=1}^3 R_k (v_k\cdot v_{i\_st})$
 March 5th, 2017, 04:49 AM #3 Newbie   Joined: Oct 2016 From: Singapore Posts: 11 Thanks: 0 Sorry fungarwai, I have shifted the thread here Help needed with partial differentiation equation of matrices and requested admin to close this thread.
March 5th, 2017, 05:17 AM   #4
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Quote:
 Originally Posted by mikeraj Sorry fungarwai, I have shifted the thread here Help needed with partial differentiation equation of matrices and requested admin to close this thread.
Orz......okay

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