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Normal Distributed Random Numbers [message #26520]

Tue, 04 September 2001 13:36

Kay Bente
Messages: 9
Registered: September 2001

Junior Member

Hi
I have to create arrays with normal distributed random numbers, but with
variable FWHM (Full width half max/standard deviation sigma?).
I want to add normal distributed noise to an image, so that the values
differ around a mean value.
In IDL there is a procedure to create such arrays RandomN, but you can�t
change the FWHM and I can�t find what FWHM the normal distribution there
has.

So I would be glad If somone can tell me how to create such arrays (maybe
outof uniform distributed arrays created with RandomU, I have no idea.
I�m using IDL 5.4

with regards
Kay

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