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February 27th, 2017, 04:19 PM  #1 
Newbie Joined: Oct 2016 From: Singapore Posts: 11 Thanks: 0  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! 
March 5th, 2017, 04:08 AM  #2 
Newbie Joined: Jun 2016 From: Hong Kong Posts: 19 Thanks: 1 
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  
Newbie Joined: Jun 2016 From: Hong Kong Posts: 19 Thanks: 1  Quote:
 

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differentiation, equation, matrices, needed, partial 
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