“off、diagonal”的英文意思_释义_用法

单词

off-diagonal

释义

off-diagonal, a. (n.) Math.|ɒfdaɪˈægənəl, ɔː-|
[f. off- 4 b, off prep. + diagonal n.]
Applied to an element of a square matrix that is not on the principal diagonal (from top left to bottom right). Also as n., such an element.
1940Physical Rev. LVIII. 108/2 The only approximation made..is the neglect of the off-diagonal elements.1957L. Fox Numerical Solution Two-Point Boundary Probl. iii. 59 In U the off-diagonal terms are identical with those in the corresponding positions of the original matrix A.1972Jrnl. Social Psychol. LXXXVI. 198 All possible comparisons are set out here—i.e., including the congruences in the off-diagonals.Ibid., The off-diagonal entries are the congruences between one factor in the one study and every other factor in the other study.

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