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matlab
Windy Day
Windy Day

Reputation: 173

How to concatenate a multidimensional array in MATLAB?

I have two multi-dimensional arrays: 

% Dimensions not matrix multiplication
array1 = a*b*c*d 
array2 = a*b*c*e

and I want to concatenate the array as:

a*b*c*(d+e).

Is this possible in MATLAB without loop?

I've tried the following and it doesn't work:

array3 = [array1;array2] % does not work

Upvotes: 2

Views: 1125

Answers (1)

Wolfie
Wolfie

Reputation: 30047

You want to use Matlab's cat function, concatenating in the 4th dimension as follows:

array3 = cat(4, array1, array2)

Note from the above linked docs, that what you have tried is concatenation in the 1st dimension, "cat(1, A, B) is the same as [A; B]."

Upvotes: 4

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