An operation of this name
An operation of this name can be performed on two matrices, one of which has an equal number of rows to the other's number of columns. Although this operation is not uniquely defined for vectors, two approximations are the cross product and the dot product. This operation is governed by the distributive property. For 10 points, identify this arithmetic operation, the inverse of division.
An operation of this name can be performed on two matrices, one of which has an equal number of rows to the other's number of columns.
{multiplication} [accept matrix {multiplication} in the first sentence]