How to get rid of the error: Error using horzcat. Dimensions of matrices being concatenated are not consistent

[the cyclist]

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Answer 1

[Image Analyst]

In general, this error means that the matrix you're trying to concatenate on the right hand side of your existing matrix does not have the same number of rows as your existing matrix.

C = [A, B];  % A and B MUST have the same number of rows or you get an error.