MATLAB: What is a Double Array

array

Concept question:
What is a 20x10x3 double array?
Thanks,
Amanda

Best Answer

a=[1 2;3 4]; is 2x2 double array % double is a class
a =
     1     2
     3     4
if you have 3 matrix
 a=[1 2;3 4], b=[3 5;6 7]; c=[7 8;9 8] % for example
% you can put them in one array  2x2x3
 x(:,:,1)=a;
 x(:,:,2)=b;
 x(:,:,3)=c;
%and the result will be
x(:,:,1) =
     1     2
     3     4
x(:,:,2) =
     3     5
     6     7
x(:,:,3) =
     7     8
     9     8
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