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Re: problem with IDL statistics [message #20513]

Wed, 28 June 2000 00:00

hahn
Messages: 108
Registered: November 1993

Senior Member

ectucker@aol.com wrote:

> In my code I have the line:
> result=randomu(seed, binomial=[3.8e7, .72])
> this freezes up the code (acts as if it is in an infinite loop) at the
> statement above.
> If i change the 3.8e7 to 3.9e7, it works fine.

The same here: IDL 5.2, Windows 98. However,

> result=randomn(seed, 256,256,poisson=3.8e7)
> again it freezes up for 3.8e7 but not 3.9e7

This gives an error message:

IDL> result=randomn(seed, 256,256,poisson=3.8e7)
% Program caused arithmetic error: Floating underflow

> Very strange!

Indeed.

Norbert

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[Message index]

		Re: problem with IDL statistics By: hahn on Wed, 28 June 2000 00:00
		Re: problem with IDL statistics By: Vince Hradil on Wed, 28 June 2000 00:00
		Re: problem with IDL statistics By: Vince Hradil on Wed, 28 June 2000 00:00

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