1.3.5: Additive identity of matrices

 

In theory of matrices, zero matix (or Null matrix) denoted by O perform the same function as 0 (zero) in ordinary arithmetic equation because when matrix O is added to any matrix A or if matrix A is added to the matrix O, the matrix A does not change provided matrix O and and matrix A are conformable for addition. In such a situation A+O=O+A=A. This matrix O is called Additive identity of matrices.


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