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How can i amelirate the smooth of this curve ?

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Mallouli Marwa
Mallouli Marwa 2017-2-12
回答： Image Analyst 2017-2-13
Hi
I want to ameliorate the smooth of attached curve.
rload=[100;1e3;10e3;100e3;1e6;10e6];
power_hs=[1.570642571; 15.23486212; 1.12E+02; 1.37E+02; 81.69126068; 10.5949686];
loglog(rload,power_hs,'m')

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采纳的回答

Chad Greene
Chad Greene 2017-2-12
编辑：Chad Greene 2017-2-12
% Your data:
rload=[100;1e3;10e3;100e3;1e6;10e6];
power_hs=[1.570642571; 15.23486212; 1.12E+02; 1.37E+02; 81.69126068; 10.5949686];
loglog(rload,power_hs,'mo')
%
% Interpolate in log space:
powi = 10.^(interp1(2:7,log10(power_hs),linspace(2,7,1000),'spline'));
%
% Plot interpolated curve
hold on
loglog(logspace(2,7,1000),powi,'m-')

更多回答（1 个）

Image Analyst
Image Analyst 2017-2-13
Like I said in your duplicate question you can use interp1(), conv(), sgolayfilt(), or splines to interpolate in and smooth the points. That's what Chad did, and the result looks pretty good to me. You can adjust the parameters to adjust the smoothness if you want.

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