
1"Calculator\Formula"ļҪ洢ϵĹʽ(൱һʽ)

2ӹʽ

2.1ݲɼϵͳnԱ,1, y=f(x1,x2,,xn),yΪ xΪԱ,Ҫҳxyĺϵfıʽ

2.2"Calculator\Formula"ļ½һΪ"n.txt"ıĵ,ѾֱӴ򿪼,nʾԱxĸ.

2.3ڴ򿪵ıĵ,涨ʽӱʽ

3

3.1ԱΪ3,½/ Ϊ"3.txt"ıĵ

3.2ڴ򿪵ıĵ,Ȼ󱣴漴
{
Argument=x1,x2,x3
Fit_var=a0,a1,a2,a3
Expression=a0+a1*x1+a2*x2+a3*x3
}

3.3ע:

(1)ݱһԴ,{},жʽ,ֱӼ,2ʽ
{
Argument=x1,x2,x3
Fit_var=a0,a1,a2,a3
Expression=a0+a1*x1+a2*x2+a3*x3
}
{
Argument=x1,x2,x3
Fit_var=a0,a1,a2,a3+a4
Expression=(a0+a1*x1)/(a2*x2+a3*x3)+a4
}

(2)ԱƱ"Argument="ͷ,Ȼ֮Զŷָ

(3)ҪϵıƱ"Fit_var="ͷ,Ȼ֮Զŷָ

(4)ӵĹʽ"Expression="ͷ,ȻдϹʽ,עⲻҪд"Expression=y=a0+a1*x1+a2*x2+a3*x3"ʽ

(5)Ҫע,߷ǹؼС(2)(3)(4)ᵽĹؼСע,
/*
{
Ա
Argument=x1,x2,x3
ϵı
Fit_var=a0,a1,a2,a3
//Ǻʽ
Expression=a0+a1*x1+a2*x2+a3*x3
}

*/