Create a Matlab function $($expmat$)$ that accepts as input arguments a matrix mat and two positive integers k and $12.$ The function calculates and returns: $($do not use repeat statements

An integer res$1$ that will be $1$ if the elements of mat less than or equal to $12$ are more than half, or if they are exactly equal, or $1$ if less than half.

A res$2$ matrix that will have the same number of rows as the original mat but half the columns. The elements of each column of res$2$ will be the elements of the odd column of mat minus the elements of even column of mat $($eg $2$nd column $-1$st column, $4$th column

$3$rd column etc.$)($assume that the mat has an even number of columns$)$ Eva matrix res$3$ which will have the same elements as the original mat except that

belong to a column greater than k and are redundant, which will become zero

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