Definition of postmultiply in English:

postmultiply

verbpostmultiplied, postmultiplies, postmultiplying ˌpəʊstˈmʌltɪplʌɪ

[with object]Mathematics

Multiply (a vector, matrix, or element of a group) non-commutatively by a following factor.
〔数〕用后因子乘
Example sentencesExamples
- Similarly, postmultiplying Y by a J matrix creates a 6x3 matrix of row sums of Y (where each column is just a repeat of the same six row sums).
- Given an n x n matrix A, it is always possible to find an n-element vector which postmultiplies A and gives an all zero result.
- To test trait-specific effects, we need to introduce another matrix, T, which is used to postmultiply matrix B.

Derivatives

postmultiplication

nounˌpəʊstmʌltɪplɪˈkɛɪʃ(ə)n

Mathematics

Premultiplication and postmultiplication by a Givens matrix can be performed without computing a Givens matrix explicitly.
Example sentencesExamples
- This method is slightly less efficient than postmultiplication and requires that the size of Vector v must equal the number of rows in Matrix m.

词汇	postmultiply
释义	Definition of postmultiply in English: postmultiply verbpostmultiplied, postmultiplies, postmultiplying ˌpəʊstˈmʌltɪplʌɪ [with object]Mathematics Multiply (a vector, matrix, or element of a group) non-commutatively by a following factor. 〔数〕用后因子乘 Example sentencesExamples Similarly, postmultiplying Y by a J matrix creates a 6x3 matrix of row sums of Y (where each column is just a repeat of the same six row sums). Given an n x n matrix A, it is always possible to find an n-element vector which postmultiplies A and gives an all zero result. To test trait-specific effects, we need to introduce another matrix, T, which is used to postmultiply matrix B. Derivatives postmultiplication nounˌpəʊstmʌltɪplɪˈkɛɪʃ(ə)n Mathematics Premultiplication and postmultiplication by a Givens matrix can be performed without computing a Givens matrix explicitly. Example sentencesExamples This method is slightly less efficient than postmultiplication and requires that the size of Vector v must equal the number of rows in Matrix m.
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