Other MATLAB functions operate essentially on a vector (row or column), but act
on an m-by-n matrix () in a column-by-column fashion to produce a
row vector containing the results of their application to each column.
Row-by-row action can be obtained by using the transpose; for example,
`mean(A')'`. A few of these functions are

For example, the maximum entry in a matrixmax sum median any min prod mean all sort std

Wed Mar 13 19:15:55 MET 1996