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Scilab help >> Elementary Functions > symbolic > trisolve

trisolve

シンボリックな線形システムソルバ

呼び出し手順

[x [,sexp]] = trisolve(A,b [,sexp])

パラメータ

A,b

文字列の行列

説明

A*x =bをシンボリックに解きます. Aは上三角行列と仮定されます.

sexp は, A, b, xの共通の副次式のベクトルです.

A=['x','y';'0','z'];b=['0';'1'];
w=trisolve(A,b)
x=5;y=2;z=4;
evstr(w)
inv(evstr(A))*evstr(b)

参照

  • trianfml — シンボリックな三角化
  • solve — 代数線形システムのソルバ
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Last updated:
Mon Oct 01 17:40:24 CEST 2012