How to chang matrix size 81x81x30 to 81x81x32 by add row

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Hi all....
I have matrix size 81 x 81 x30 ( 3D )
i want to be 81 x 81 x 32
chang size matrix by add 2 row (zero number)
here the example in this file ( daily_avg_u.mat )

Accepted Answer

Andrei Bobrov
Andrei Bobrov on 26 Jan 2019
daily_avg_u(:,:,end + (1:2)) = zeros([size(daily_avg_u(:,:,1)),2]);
  1 Comment
Rik
Rik on 26 Jan 2019
daily_avg_u(:,:,end + (1:2)) = 0;
works as well and might be clearer as to what is going on

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More Answers (1)

Rik
Rik on 26 Jan 2019
You can use the cat function to concatenate arrays in a specific dimension:
A=rand(81,81,30);
B=rand(81,81);
%or: B=zeros(size(A,1),size(A,2),1);
C=cat(3,A,B);

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