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Scilabヘルプ >> Polynomials > colcompr

colcompr

多項式行列の列圧縮

呼び出し手順

[Y,rk,ac]=colcompr(A);

パラメータ

A

多項式行列

Y

正方多項式行列 (右ユニモジュラ基底)

rk

Aの通常ランク

Ac

Ac=A*Y, 多項式行列

説明

多項式行列 Aの列圧縮 (左への圧縮)

s=poly(0,'s');
p=[s;s*(s+1)^2;2*s^2+s^3];
[Y,rk,ac]=colcompr(p*p');
p*p'*Y

参照

  • rowcompr — 多項式行列の行圧縮
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Last updated:
Wed Apr 01 10:25:01 CEST 2015