| 释义 |
preˈmultiply, v. Math.
[pre- A. 4 c.]
trans. To multiply by (or as) a prefactor, q.v.
1862[see post-multiply vb. s.v. post- A. 1 a]. 1890in Cent. Dict. 1972Roberts & Shipman Two-Point Boundary Value Probl. viii. 223 If each side of (8.8.12) is premultiplied by the square partitioned matrix of order n(m + 1),..the following partitioned matrix is obtained. 1978[see post-multiply vb. s.v. post- A. 1 a]. |