How to fit a smooth curve inside an edge while plotting a 2D figure

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Nithin
Nithin 2017-1-3
编辑： Nithin 2017-1-4
Hi,
I have a 2D plot with an edge, I would like to remove the edge as shown in the figure attached and replace with a smooth curve inside (red curve). Could someone provide a good solution.
thanks.

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回答（1 个）

Image Analyst
Image Analyst 2017-1-3
You can smooth the y values:
ySmoothed = conv(y, ones(1, 51), 'same');
Change the 51 depending on whether you want more or less smoothing, but keep it an odd integer.
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Nithin
Nithin 2017-1-4
编辑：Nithin 2017-1-4
Hi,
Many thanks for the reply and help. I tried to use it but the shape gets altered.I have attached a text file with few data points (x,y) showing the tear drop shape.
plotted like :
Thanks and much regards.

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