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Question: differentiate a function with respect to a vector (number of parameters)

Question:differentiate a function with respect to a vector (number of parameters)

casperyc 962 Maple 18
August 18 2014
0

f:=x+y+y;

diff(f,x);
diff(f,y);
diff(f,z);

What I hope to get is a vector with i-th entry being the dervative of f, differentiated w.r.s.t the i-th parameter, like this

Vector([1,1,1]);

 

Is there a more efficient (built-in) command to do this?

 

VectorCalculus[diff] does not do what I want.

 

Thanks,

 

casper

 
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