How do I smooth this plot?

Abdullah Alnahdi

2017 2 19

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I am trying to smooth this plot in order to look like the the second attached plot. Can anyone guide me through to do so? Thank you very much in advance. { [data,T,vT]=xlsread('Yellow_Stress vs Time.xlsx')

Time = data(:,1) Stress = data(:,4)

title('Stress Relaxation Response Yellow Sample') xlabel('Time (sec)') ylabel('Stress (Pa)')

plot(Time, Stress) }

Which should look like this:

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Image Analyst 2017-2-19

在 MATLAB Online 中打开

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Have you simply tried conv?

windowWidth = 51; % Make a higher odd number for more smoothing.
kernel = ones(1, windowWidth)/windowWidth;
smoothedStress = conv(Stress, kernel, 'same');