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How to get a smooth curve using plot in matlab

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Nithya SIvasamy
Nithya SIvasamy 2017-5-16
回答： dpb 2017-5-16
E and QPM are vectors
xValues = linspace(min(E),max(E));
yValues = interp1(E,QPM,xValues,'spline');
plot(E,QPM,xValues,yValues);
when i use the above code,the curve in the graph is not smooth.How to get a smooth curve

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dpb
dpb 2017-5-16
'spline' goes through the points given and uses a spline to fill in between.
Perhaps you're looking for "smoothing spline". In the Curve Fitting TB is
doc spaps

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