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Question: matrix differentiation

Question:matrix differentiation

student_1 305 Maple
calculus matrix linearalgebra
December 04 2016
0

First Question: How to define nx1 matrix Y:=(y1,y2,...,yn) ? (n is a Natural number while it is ungiven)

Second Question: How to derivative of matrix Y with respect to nx1 matrix X:=(x1,x2,...,xn) ?

 


My efforts for the first question:  (I know to define 6x1 matrix etc. , but I dont know to define nx1 matrix

restart: Matrix(1..6,1,symbol=y) 

 

My efforts for the second question: 

restart; with(VectorCalculus);
Matrix([x^2, x*y, x*z]);
Jacobian([x^2, x*y, x*z], [x, y, z]);


Can you help me? 
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