Scilab 5.3.0
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- Elementary Functions
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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
tril
行列の下三角部
呼び出し手順
tril(x [,k])
パラメータ
- x
行列 (実数, 複素数, 多項式, 有理数)
- k
整数 (デフォルト値 0)
説明
行列の下三角部. tril(x,k) は
k番目の対角線以下のエントリにより作成されます :
k>0 (上三角) および
k<0 (主対角以下の対角線).
例
s=poly(0,'s'); tril([s,s;s,1]) tril([1/s,1/s;1/s,1])
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