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Question: Gradient symbol calculation

Question:Gradient symbol calculation

Mergh 0 Maple
vectorcalculus
May 01 2013
0

Dear guys,

I have a question regarding calculation of a Gradient.

I am the lucky owner of the following equation:



Here alpha and psi is parameters within (0,1), and gg is a variable vector with all elements >0.

The Gradient of psi should be:

 

My question is: how do I get this result?

My progress until now is limited, since im stuck in different sequences (e.g., Gradient(f,c)).

I am not sure if its the right way to go. Hope to hear for someone.

Thanks in advantange,

-Mergh
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