ex3_multid_array.m

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A1=[1,2,3; 4 5 6; 7 8,9]; A2=A1'; A3=A1-A2;

A4(:,:,1)=A1; A4(:,:,2)=A2; A4(:,:,3)=A3

A5=cat(3,A1,A2,A3)

A6=cat(2,A1,A2,A3)

A7=cat(1,A1,A2,A3)

size(A)

size(A4)

[n,m]=size(A)

[n,m,k]=size(A4)

m=size(A,2)

length(A)