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How to add zeros column and row at the beginning of matrix

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NA
NA 2018-10-6
编辑： Stephen23 2018-10-6
I have A and B
A=[1,3,5;4,6,8;9,7,4]
B=[1,2,4,6;7,1,2,4;6,7,8,9;4,5,6,7]
if size(B)> size(A) Add zeros column and row at the beginning of matrix A
New_A=[0,0,0,0;0,1,3,5;0,4,6,8;0,9,7,4]

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KSSV
KSSV 2018-10-6
new_A=zeros(size(B));
new_A(2:end,2:end)=A;

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