I need you to help me with the code for the Richardson extrapolation for Simpson's rule
Does anyone could help me with this code please?
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Simpson's rule is a Richardson extrapolation of the trapezoidal rule, the following should get you started:
yLow = sin(0:pi/10:pi); yHigh = sin(0:pi/20:pi); iL = pi/10*trapz(yLow); iH = pi/20*trapz(yHigh); format long re = (4*iH-iL)/3; % Richardson extrapolation
err = [iL (iL-2)/2; ... iH (iH-2)/2; ... re (re-2)/2]; fprintf('Estimate\t\terror\n') fprintf('%1.10f\t%1.10f\n',err')
Estimate error 1.9835235375 -0.0082382312 1.9958859727 -0.0020570136 2.0000067844 0.0000033922
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