How to plot the data with the mean plus standard deviation ?

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Jesus 2013-10-29

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回答： Jesus 2013-10-30

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How to plot the data with the mean plus standard deviation ? Generate a graph (X verse Y1, Y2). Y1 is the mean plus standard deviation, Y2 is the average less standard deviation. However I would like the graph area between Y1 and Y2 stay filled. My data are similar to these:

    X              Y1               Y2
054171  82.09164  71.74552  
154169  85.30468  82.58082  
254169  78.50763  75.39015  
356947  84.39281  63.49761  
445835  85.00555  62.59616  
545835  86.27113  64.9023  
645836  91.08072  87.28493  
745834  89.34505  87.97645  
845835  89.40639  80.56947  
945835  85.54469  78.97661  
045835  83.65078  79.415

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Jesus 2013-10-30

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fill([x;flipud(x)],[y1;flipud(y2)],'k')

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dpb 2013-10-29

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编辑：dpb 2013-10-29

Another one of those cases that is so obvious you'd think area would have the option or there would be another builtin function to do it, but no...

File Exchange is your friend, however; always do a search there first...

http://www.mathworks.com/matlabcentral/fileexchange/13188-shade-area-between-two-curves

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