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non linear systems, mpfitexpr and functargs [message #52361]

Tue, 30 January 2007 10:15

Elix
Messages: 2
Registered: January 2007

Junior Member

Hi,

in this newsgroup I found the interesting option of solving non-linear
systems using mpfitexpr. I need to use mpfitexpr with the functargs
keyword, but apparently I'm doing something wrong here.

stru={iref:iref,i2:i2}
p1=[0.3,0.5]
expr='[stru.iref-(1.-p[0])-p[0]*exp(-p[1]),'+$
'stru.i2-(1.-p[0])-p[0]*exp(-p[1]*0.3)]'
p=mpfitexpr(expr,0,0,1,p1,functargs=stru)

% MPFITEXPR: ERROR: execution of "[stru.iref-(1.-p[0])-p[0]*exp(-
p[1]),stru.i2-(1.-p[0])-p[0]*exp(-p[1]*0.3)]" failed.

Any suggestion?
thanks!
Elix

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[Message index]

		non linear systems, mpfitexpr and functargs By: Elix on Tue, 30 January 2007 10:15
		Re: non linear systems, mpfitexpr and functargs By: Craig Markwardt on Sat, 03 February 2007 11:36

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