Question

what is rank matrix​

Answer 1

Explanation:

in accord with (**). The fact that the vectors r 3 and r 4 can be written as linear combinations of the other two ( r 1 and r 2, which are independent) means that the maximum number of independent rows is 2. Thus, the row rank—and therefore the rank—of this matrix is 2.

Answer 2

Answer:

In linear algebra, the rank of a matrix is the dimension of the vector space generated by its columns. This corresponds to the maximal number of linearly independent columns of. This, in turn, is identical to the dimension of the vector space spanned by its rows.

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