To find the number of columns of a matrix in Matlab, you can use the size
function. The second value in the output of this function refers to the number of columns.
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In the above example, we created a matrix with 2 rows and 3 columns. Then, we used the size
function to find the dimensions of the matrix. By passing 2 in the second argument of the size
function, we can get the number of columns of the matrix. Finally, we used the disp
function to display the number of columns.
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