premultiplication

premultiplication

[‚prē·məl·tə·plə′kā·shən]
(mathematics)
In multiplying a matrix or operatorBby another matrix or operatorA, the operation that results in the matrix or operatorAB. Also known as multiplication on the left.
References in periodicals archive ?
t] up to premultiplication by an arbitrary nonsingular r x r matrix (the analogue of [bar.
premultiplication by a carefully chosen easily invertible matrix) to reduce the number of iterations.
Substitution of (10) in (13) and premultiplication by [Mathematical Expression Omitted] gives the unit revenues per sector (which under perfect competition equals the price of each sector's single input) as the weighted average of that sector's intermediate and final output prices:
Premultiplication by P yields PAv = [mu]Pv which implies v = [mu]Pv (since [mu] [not equal to] 0).