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main diagonal

主对角线；衷角线

1、主对角线

diag是只保留原矩阵的主对角线 (main diagonal) 的元素，其余的元素以零取代。triu, tril 则是分别产生上三角形及下三角形矩阵，其余的元素也以零取代。

2、[建]主斜杆

... main delivery pipe ==> 主润滑油管,主输送管道,主压力管道 main diagonal ==> 主斜杆 main dike ==> 干堤,主堤 ...

main-diagonal line主对角

main chain diagonal主斜杆

negative elements of main-diagonal主对角负元

negative elements of main-diagonal line主对角负元

main diagonal of determinant行列式的主对角线

The main diagonal是图上用红色线条表示的部分路线

main diagonal transitive matrix主优传递

main diagonal block主要对角块

main diagonal of matrix矩阵的主对角

数学

土木建筑工程

n.the diagonal of a square matrix running from the upper left entry to the lower right entry

同义词：principal diagonal

Dictionary