IDL question please help!
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IDL question please help!

[From: ] [author: ] [Date: 11-11-24] [Hit: ]
and say in each array i have a and b values.How do I plot points in the existing plot only when Z is greater than 10 AND when a is between 20 and 30?-Like this.plot,a(f),Very much like the last question you asked.......
Say I have an existing plot of X and Y. And I have data in a fits file, and say in each array i have a and b values.
Also say that Z = 2(b-a)

How do I plot points in the existing plot only when Z is greater than 10 AND when a is between 20 and 30?

-
Like this.

f = where(z gt 10 AND a gt 20 AND a lt 30)
plot,a(f),b(f)

Very much like the last question you asked.
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