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1090632763

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[ÇóÖú] Undefined function 'a' for input arguments of type 'double' ÒÑÓÐ1È˲ÎÓë

clear
x=randint(5,2,[0,10]);
z=3*ones(5,1);
f=@(a,x)a(1)*x(:,1).^2+a(2)*x(:,1).*x(:,2)+a(3)*x(:,2).^2;
a=lsqcurvefit(f,[1 1 1],[x(:,1) x(:,2)],z);
plot(x(:,1),x(:,2),'r*');
hold on;
ezplot('a(1)*x^2+a(2)*x*y+a(3)*y^2');

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1090632763

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ÒýÓûØÌû:
2Â¥: Originally posted by ¶«´óСÉú at 2015-07-26 11:37:39
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3Â¥2015-07-26 12:55:11
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ľ³æ (ÖøÃûдÊÖ)

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3Â¥: Originally posted by 1090632763 at 2015-07-26 12:55:11
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