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x=0.1/200*[1:200];
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plot(x,statDev,'k.')
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% p1 = 38.19 (-4.054, 80.43)
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% p2 = -13.89 (-20.34, -7.431)
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% p3 = 1.562 (1.283, 1.842)
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% p4 = -0.0006966 (-0.00395, 0.002557)
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y=38.19*x.^3-13.89*x.^2+1.562*x.^1-0.0006966;
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hold on
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plot(x,y,'k');
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xlabel('sigma');
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ylabel('ͳ¼ÆÎó²î'); |