12 lines
324 B
Matlab
12 lines
324 B
Matlab
x=0:2:4*pi;
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y=sin(x).*exp(-x/5);
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xx=0:0.1:4*pi;
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yya=interp1(x,y,xx,'nearest');
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yyb=interp1(x,y,xx,'linear');
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yyc=interp1(x,y,xx,'spline');
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yyd=interp1(x,y,xx,'cubic');
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yye=polyval(polyfit(x,y,6),x);
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plot(xx,yya,xx,yyb,xx,yyd,x,y,'r*');
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legend('nearest','linear','spline','cubic','source');
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grid on
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title('2007***07**.zhang') |