Answer to Question #263638 in Linear Algebra for Naphz

Question #263638

Is a rank of a matrix can be zero and what is nullity of a matrix?

1
Expert's answer
2021-11-10T16:09:27-0500

The zero matrix is the only matrix whoseΒ rank is 0.


The nullity of matrix equals the number of free variables in the corresponding system, which equals the number of columns without leading entries.


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