Resizing a Matrix in MATLAB?

Hi,

Q.1: I have a matrix A of size 106 1 100. and after A = squeeze(A), the size is 106 100. Suppose I want unsqueeze A again to get back its size 106 1 100. How can I unsqeeze it?

Q.2: I have a matrix B of size 100 97 and I want resize it as 100 106 by adding 9 columns in the start (each has constant number). how I can do it in MATLAB?

Answer 1

[Torsten]

%Q1
A = rand(106,1,100);
size(A)

ans = 1×3

106 1 100

A = squeeze(A);
size(A)

ans = 1×2

106 100

A = reshape(A,[106 1 100]);
size(A)

ans = 1×3

106 1 100

%Q2
A = rand(100,97);
start_A = rand(100,9);
A = [start_A,A];
size(A)

ans = 1×2

100 106

[Nisar Ahmed]

@Torsten In Q2, start_A = rand(100,9); how can I use a constant value in all 9 columns instead of rand? Suppose I want to fill first 9 columns with 2450 value.