problems on minimum value of function

[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 :) 


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