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Re: problems on minimum value of function


From: Martin Helm
Subject: Re: problems on minimum value of function
Date: Tue, 27 Mar 2012 15:40:38 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120312 Thunderbird/11.0

Am 27.03.2012 06:04, schrieb hayoun Woo:
> hi, I cannot solve this problem. 
>
> No way to find code which can evaluate minimum value of these below. 
>
> Q: Define a function hw1fun for y=x^2+x+1 and find the minimum value of the
> function for the interval
>   0<=x<=1 
>
> I defined function as 
>
> function y=hw1fun(x) 
> y=x^2+x+1; 
> end 
>
> I tried to use [x,v]=fminbnd(@hw1fun,0,1) but it only works in MATLAB 
>
> what is the similar code that uses in octave? 
>
> I use octave 3.2.4 for windows 
>
> please help me. I'm looking forward to get answer :) 
>
Update to a newer version of octave, in 3.6.1 it works

[x v] = fminbnd(@(x) x^2+x+1, 0, 1)
x =  3.7377e-09
v =  1.0000



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