[Solved] Which matrix has most of the elements (not all) as Zero?

Which matrix has most of the elements (not all) as Zero?

a) Identity Matrix
b) Unit Matrix
c) Sparse Matrix
d) Zero Matrix

Answer: c
Explanation: Sparse Matrix is a matrix in which most of the elements are Zero. Identity Matrix is a matrix in which all principal diagonal elements are 1 and the rest of the elements are Zero. Unit Matrix is also called Identity Matrix. Zero Matrix is a matrix in which all the elements are Zero.

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