mathematical operation, mathematical process, operation - (mathematics) calculation by mathematical methods; "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"; "they were learning the basic operations of arithmetic"

matrix addition - the addition of matrices

matrix multiplication - the multiplication of matrices

matrix inversion - determination of a matrix that when multiplied by the given matrix will yield a unit matrix

matrix transposition - the interchange of each row of a square matrix with the corresponding column