adding +-10% for each y columns

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Khalid
Khalid on 20 Jan 2016
Commented: Khalid on 22 Jan 2016
I have an data in matrix 100X6 (the first two columns are x1 & y1, other two columns x2 & y2 etc.) and I would like to make a plus and minus 10% in each y column data!! old matrix: x1 y1 x2 y2 x3 y3 " " " " " " " " " " " " " " " " " " new matrix: x1 y1 y12 y13 x2 y2 y22 y23 x3 y3 y32 y33 " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " then plot x1 with y1,y12, and y13 data then plot x2 with y2,y22, and y23 data etc
Thanks

Accepted Answer

Ingrid
Ingrid on 20 Jan 2016
you do not need to create new columns to do this, just add/subtract the 10% in the plot command directly
plot(x1,y1,'k-',x1,0.9*y1,'r:',x1,1.1*y1,'r:')
  3 Comments
Khalid
Khalid on 22 Jan 2016
Thanks Ingrid a lot.

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