单词	postmultiply
释义	postmultiply /ˌpəʊstˈmʌltɪplʌɪ / verb (postmultiplies, postmultiplying, postmultiplied) [with object] Mathematics Multiply (a vector, matrix, or element of a group) non-commutatively by a following factor.To test trait-specific effects, we need to introduce another matrix, T, which is used to postmultiply matrix B.... 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. 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). Derivatives postmultiplication /ˌpəʊstmʌltɪplɪˈkɛɪʃ(ə)n/ noun ... Premultiplication and postmultiplication by a Givens matrix can be performed without computing a Givens matrix explicitly. 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.
随便看	(on/upon) my word onus onus probandi on velvet on-verse on view onward onwardly onwardness onwards on wheels on which the sun never sets on with onya onycha onychia onychite onychogryphosis onychogryposis onychomancy onychomycosis onychopathy onychophagia onychophagist onychophagy

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