ciccarese

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Hello,

is there any way to solve a system like (d denotes the derivates):

 

f1(x1,x2,y1,y2)=0

f2(x1,x2,y1,y2)=0

dg1(x1,x2,y1,y2)/dy1=0

dg2(x1,x2,y1,y2)/dy2=0

 

Hi,

I'm trying to solve a system of 3 equations with 3 unknowns using fsolve(). The (very long) equations depend on a parameter d. For some values of d, fsolve finds a solution, for other values of d it doesn't, although I can specify a quite narrow range in which there should be a solution. Is there any way to force fsolve() to try harder? It returns unevaluated after about 5 min and I wouldn't mind if it searched for several hours...

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