英语翻译例句：We already know U,the upper triangular matrix with th

英语翻译
例句：We already know U,the upper triangular matrix with the pivots on its diagonal.
(U是上三角矩阵)

唯天_tt 1年前已收到2个回答举报

flyhot 幼苗

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pivot 是主元
已知U为上三角矩阵, 其主元位于对角线上

一般情况下, 主元指梯矩阵中非零行的首非零元
如 1 2 3 4
0 5 6 7
0 0 0 8
中的1,5,8

1年前

会哭的孩子有糖吃幼苗

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主，枢轴

1年前

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