How to transform a vector to a matrix with same position ?
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Hello everyone!
i want to ask you, if i have a matrix A in each row i have only one value , the rest are set to zero.Also i have a column vector V.
V =sum(A,2) but with removed elements.
I want to replace the value in A by the value in V at the same positions.
this is an example :
A=[100 0 0 0 0 0
0 50 0 0 0 0
0 0 0 20 0 0
0 0 0 0 30 0
0 0 0 0 0 80]
here the removed element in row 2 (50).
So V is the follow:
V=[100
20
30
80]
Now i want to replace A by elements in V.
the required result is :
A1=[100 0 0 0 0 0
0 0 0 20 0 0
0 0 0 0 30 0
0 0 0 0 0 80]
How can i do that?
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