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How do I fit a spline to my scatter plot, without showing the scatter points in my plot?

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Arghadwip Paul
Arghadwip Paul 2017-6-27
回答： Mishaal Aleem 2017-6-27
What I am doing now is draw a scatter plot of my data points and then use basic fitting toolbox to fit a spline. But, it also shows the scattered points which I don't want to show. Is there any way to do this? Thank you.

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Mishaal Aleem
Mishaal Aleem 2017-6-27
Programmatically, assuming x and y are the vectors of your scatter plot, you can try the following
xx = min(x):0.001:max(x); % change your step size (currently 0.001) based on desired plot smoothness
yy = spline(x,y,xx);
plot(xx,yy)
You can see some examples in the spline documentation: https://www.mathworks.com/help/matlab/ref/spline.html

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