Fwd: fsolve

[Jaroslav Hajek]

---------- Forwarded message ----------
From: yakup murat mert <ymmert at yahoo.com>
Date: Sun, May 25, 2008 at 8:57 PM
Subject: fsolve
To: help-octave at octave.org


function result=Uval(Us,Ud,Sbt,Uf,Vg)
result=(0.0256*Us.+0.0256*Sbt.*(exp(Uf).*(exp(-Us).+Us.-1)+exp(-Uf).*(exp(Us.-Ud).-Us.-exp(-Ud))).^0.5).-Vg;
...

...

Us=fsolve(@(Us) Uval(Us,Ud,Sbt,Uf,Vg) , init);

....

...

Code above works on matlab. The equation is parametric. And depends on
"Ud" "Sbt" "Uf" "Vg"  parameters.  "Us"  is unknown (like x) "Ud" is
1*100 matrix and rest are constants.  In matlab  after this code "Us"
becomes 1*100 matrix and has been solved 100 times according to "Ud" .

This code hasnt been accepted by octave. I checked everything but
coulndt find equivalent...

any suggestion....?

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-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz