Assertion: matrix's number | /r/CapableOf | equal the number of rows of c
Facets:
Source sentences:
text: Given three matrices A, B and C, the products (AB)C and A(BC) are defined if and only if the number of columns of A equals the number of rows of B and the number of columns of B equals the number of rows of C (in particular, if one of the products is defined, the other is also defined).
text: Given three matrices A, B and C, the products (AB)C and A(BC) are defined if and only if the number of columns of A equals the number of rows of B and the number of columns of B equals the number of rows of C (in particular, if one of the products is defined, the other is also defined).