how to plot the graph showing different data points within restricted boundary of sigma level?

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MUKESH VIKRAM 2016-6-29

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https://ww2.mathworks.cn/matlabcentral/answers/292951-how-to-plot-the-graph-showing-different-data-points-within-restricted-boundary-of-sigma-level

评论： MUKESH VIKRAM 2016-7-1

graph.jpg

i want to draw graph between y and x. Y consists of different data values and x is time. graph also include two boundary i.e (sigma level) 3 sigma and 1 sigma.As per reference i had attached the picture with it. how to draw this graph in matlab

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José-Luis 2016-6-29

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https://ww2.mathworks.cn/matlabcentral/answers/292951-how-to-plot-the-graph-showing-different-data-points-within-restricted-boundary-of-sigma-level#answer_227129

编辑：José-Luis 2016-6-29

在 MATLAB Online 中打开

 aH = axes;
 plot(aH,rand(100,1),'k.'); hold on;
 sigma1 = 0.2;
 sigma3 = 0.8;
 plot(aH, aH.XLim, [sigma1, sigma1], 'k-');
 plot(aH, aH.XLim, [sigma3, sigma3], 'k-');