comp.lang.idl-pvwave archive: archive » learning how to use mpfit,. need help

Home » Public Forums » archive » learning how to use mpfit,. need help

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: learning how to use mpfit,. need help [message #87742 is a reply to message #87740]

Tue, 25 February 2014 13:55

alkyl47
Messages: 2
Registered: February 2014

Junior Member

On Tuesday, February 25, 2014 11:35:53 AM UTC-10, alk...@gmail.com wrote:
> Hi
>
>
>
> I am new to idl and learning how to use mpfit but run into error, please help if you have time.
>
>
>
>
>
> IDL version 6.3
>
>
>
> ////////////////////
>
> IDL> x = findgen(101)
>
> IDL> y = 25.*exp(-(x-32.)^2/(2*5.^2))+2.*randomn(0,101)
>
> % Program caused arithmetic error: Floating underflow
>
> ///////////////////
>
>
>
> these are the tutorial from the daedalus.as.arizona.edu group.
>
>
>
> thanks in advance.
>
>
>
> LR

Yes, I am slowly getting to mpfit but in order to learn the usage, I need to generate noisy gaussian curve per this web site but did not get very far.

http://daedalus.as.arizona.edu/wiki/mpfit

Report message to a moderator

[Message index]

		learning how to use mpfit,. need help By: alkyl47 on Tue, 25 February 2014 13:35
		Re: learning how to use mpfit,. need help By: David Fanning on Tue, 25 February 2014 13:44
		Re: learning how to use mpfit,. need help By: alkyl47 on Tue, 25 February 2014 13:55
		Re: learning how to use mpfit,. need help By: Harald Frey on Tue, 25 February 2014 15:42
		Re: learning how to use mpfit,. need help By: Craig Markwardt on Tue, 25 February 2014 20:13

Previous Topic:	Using a text list to populate a LIST() in IDL
Next Topic:	ps_start output

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 18:20:51 PDT 2025

Total time taken to generate the page: 0.00190 seconds