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whats is that error in matlab?

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Aya Ahmed
Aya Ahmed on 5 Jun 2020
Closed: MATLAB Answer Bot on 20 Aug 2021
When I write this code, the matrix that is called (confusion matrix) does not appear to me .... But this shape appears and says these words and I do not understand the problem:
% load('P2.mat')
% load('P.mat')
% load('T.mat')
Aya Ahmed
Aya Ahmed on 6 Jun 2020
Thank you very mach Star Strider , iam restart the matlab but stel the same error .
plz tel me , how can i know the number of classes ?
i want to make classification with images into three type of images so what I did was.... I made two matrices to train the images: [ One is the input matrix, called P, consisting of 236 rows * 120 columns features of images .The other is the Target matrix, called T, consisting of 120 rows * 120 columns].And a matrix for the test called P2 consists of 236 rows * 120 columns.
Is there anything wrong with that ?? Where are these Classes here?

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