smoothing a graph using matlab

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how can I smooth data imported from one column (Excel sheet) using Matlab , Thanks
how to smooth the corners?

Accepted Answer

Star Strider
Star Strider on 28 May 2022
There are several opotions, including sgolayfilt and smoothdata and frequency-selective filters —
y = readmatrix('');
L = numel(y);
x = linspace(0, L-1, L);
plot(x, y)
yf = smoothdata(y, 'sgolay', fix(L/25));
plot(x, yf)
Experiment with the window size (third argument in smoothdata) to get the result you want.

More Answers (1)

KSSV on 28 May 2022
Read about smooth, polyfit

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