addition (of matrices)
The process of combining two or more matrices into one equivalent matrix, represented by the symbol +.

The addition of matrices can only be carried out between matrices with the same dimension, that is, those with same number of rows and same number of columns. The resulting matrix will have the same dimensions, each of whose elements is the arithmetical sum of the elements in corresponding positions in the original matrices.

Related Terms: dimension (of a matrix), matrix, sum

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