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Scilab help >> Polynomials > diophant

diophant

ダイオファンタイン (べズー) 方程式

呼び出し手順

[x,err]=diophant(p1p2,b)

パラメータ

p1p2

多項式ベクトル p1p2 = [p1 p2]

b

多項式

x

多項式ベクトル [x1;x2]

説明

diophant は以下のべズー方程式を解きます:

多項式ベクトルp1p2で指定した p1*x1+p2*x2=b

この方程式が可解の場合: err=0

s=poly(0,'s');p1=(s+3)^2;p2=(1+s);
x1=s;x2=(2+s);
[x,err]=diophant([p1,p2],p1*x1+p2*x2);
p1*x1+p2*x2-p1*x(1)-p2*x(2)
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Last updated:
Thu Mar 03 11:00:55 CET 2011