how to store data at non zero place of matrix

I have following column vector A=[0;25;35;0;-65;0] Now at place of non zero coefficient of A, I have replace it with following column vector values. B=[48.23;-57.23;-100.29] So the final matrix will be A=[0;48.23;-57.23;0;-100.29;0]

Answer 1

[Birdman]

ind=find(A~=0)
A(ind)=B

[Jan]

The editor should show a mark, that this code could be improved: Simply omit the find to apply a faster "logical indexing":

A(A ~= 0) = B