problem in matrix formation mean want to make a matrix from given matrix by removing 2,3,4 column values?

I have matrix of 964*4092 and want to take value of column of 1st 5th 9th and so on as it is ? In the 2nd, 3rd and 4th column there is different value but I don't want to keep that value

Answer 1

[Walter Roberson]

YourMatrix(:, 1:4:end)

will select column 1, 5, 9, 13, 17, and so on.