:ʽȨغϲһʽ

ʽ:
SymExpressionWeight2(f1,f2,,fn,w,p)
SymExpressionWeight2(f1,f2,,fn,w)
SymExpressionWeight2(f1,f2,,fn)

f1,f2,,fn:ʾnҪϲķűʽ
w:Ȩϵ.ֵҲǾ,ǾʱԪظΪn,ÿԪطֱӦǰÿűʽϵ,ϵС0,ճԶϵйһ
p:ϵ.ֵҲǾ,ǾʱԪظΪn,ÿԪطֱӦǰÿűʽϵ,ֵĬΪ2

˵:
(1)дǿԶԶĿ,ԷԶȨϵ.Ҳ,ϷϺʽСֵ.
(2)ǰķűʽ,ǵʽ(еȺ),Ĭϴ˱ʽ0
(3)շµıʽ
     w=[w1,w2,,wn]
     p=[p1,p2,,pn]
     M=w1+w2++wn
     f=w1/M*Abs(f1)^p1+w2/M*Abs(f2)^p2++wn/M*Abs(fn)^pn

ע:{SymExpressionWeight<\SymExpressionWeight>}Ĳͬ

:
/*
֪,2ʽ,1ʽ2ʽȨϵΪ2:3,ȡ2,ϲıʽ

4*sin(x/4+0.12*y-2)+3*x=4*y+6*cos(y)
(x^2+2*y^2+1)^0.5*x-2.5=3*x-4*y

*/

//ִ¼

f1="4*sin(x/4+0.12*y-2)+3*x=4*y+6*cos(y)";
f2="(x^2+2*y^2+1)^0.5*x-2.5=3*x-4*y";
w=[2,3];
f=SymExpressionWeight2(f1,f2,w,2)//سõ½
f = "0.4*(4*sin(x/4+0.12*y-2)+3*x-(4*y+6*cos(y)))^2+0.6*((x^2+2*y^2+1)^0.5*x-2.5-(3*x-4*y))^2"
