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Creating a tensor from multiple matrices

Asked by Charity Rose on 29 Jul 2019
Latest activity Answered by Abhilash Padma on 2 Aug 2019
I have four matrices I am trying to combine into a tensor. I.e I want to turn four matrices of 155 x 275 into 155x275x4 and cumulatively add them together. This is what I have so far, please can someone help me? Thanks Charity
%% IMPORTING THE MATRICES
U1= importdata ('U1.txt');
U2= importdata ('U2.txt');
U3= importdata ('U3.txt');
U4= importdata ('U4.txt');
%% CREATING A TENSOR
n=4;
tensor1= zeros (155,275,n); %setting matrix size
%% CUMULATING VALUES
for i=1:n
tensor1(:,:,i)= what should go here??
end
CumulativeU=cumsum(tensor1,3);

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Answer by Abhilash Padma on 2 Aug 2019

You can use the “cat” function to create a tensor.
cat(3,U1,U2,U3,U4);
Refer the following link for more information: https://www.mathworks.com/help/matlab/ref/cat.html

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