16 lines
232 B
Matlab
16 lines
232 B
Matlab
x=[-2 0 2 3 4 5];
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y=[4 0 -4 -30 -40 -30];
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plot(x,y,'sr')
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hold on
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p=polyfit(x,y,5)
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p =
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-0.2286 2.5333 -6.2286 -10.1333 26.5714 0.0000
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xx=-2:0.1:5;
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yy=polyval(p,xx);
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plot(xx,yy,'b')
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ys=spline(x,y,xx);
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plot(xx,ys,'g')
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