Need help with edit box in matlab gui

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Cristian
Cristian 2012-12-6
Hi, I have the following matlab code:
if true
h=1/n;
x=h:h:(1-h);
N=(n-1);
A=zeros(N);
b=zeros(N,1);
A=-2*eye(N)+diag(ones(N-1,1),1)+diag(ones(N-1,1),-1);
b=-h.^2.*functie(x);
v=A\b';
plot(v)
end
I take n from an edit box.
The problem is that when I run this code without gui, it works even if n is 5,10,50,100
When i put it in matlab gui, i can give n values from 1 to 9, why is that ?
I am taking the n value like this:
if true
n = get(handles.edit2,'String');
end
Thank you!

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采纳的回答

Matt Fig
Matt Fig 2012-12-6
n = str2double(get(handles.edit2,'String'));

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