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Upper triangular matrix
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三角矩陣 (Triangular matrix)

简介

在線性代數中,三角矩陣是方形矩陣的一種,因其非零係數的置換呈三角形狀而得名。三角矩陣分上三角矩陣和下三角矩陣兩種。上三角矩陣的對角線左下方的係數全部為零,下三角矩陣的對角線右上方的係數全部為零。 三角矩陣可以看做是一般方陣的一種簡化情形。 维基百科

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Upper Triangular Matrix ... U_(ij)={a_(ij) for i<=j; ... Written explicitly,. U=[a_(11) a_(12) ... a_( ... can be tested to determine if it is upper triangular in the ...
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1. Upper Triangular Matrix: A square matrix (aij) is said to be an upper triangular matrix if all the elements below the principal diagonal are ...

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