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Question: Row rank and column rank

Question:Row rank and column rank

MDD 337
matrix dimension rank column
June 10 2015
0

I know that the "Rank(M)" command of Maple computes the rank of matrix M and I know that the "RowDimension(M)" gives the number of rows of M. Is there any command to gives the number of nonzero rows or columns of M?

For example, Let M be the following matrix. I want [2,3] as the output  where the first component ( second component. resp) is the number of nonzero rows (nonzero columns. resp) of M.

                              [1  5  6]

                       M=   [0  0  0]

                              [2  3  5]
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