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Re: Force to print exponential to e-6 [message #88047 is a reply to message #88045]

Fri, 14 March 2014 06:41

Yngvar Larsen
Messages: 134
Registered: January 2010

Senior Member

On Friday, 14 March 2014 14:19:55 UTC+1, Doppler wrote:
> I have, say an array with three numbers:
>
> [2e-5,2e-6,2e-7]
>
>
>
> I would like to print them on screen like this
>
> 20.0e-6, 2.0e-6, 0.2e-6
>
>
>
> so forcing the exponential to be -6.
>
>
>
> I can't figure it out how to do it. I'm trying to use string(format='(e)', x) without success.
>
>
>
> Thanks

Here is one (ugly and nongeneral) way to do it:

IDL> a = [2e-5,2e-6,2e-7]
IDL> print, a*1e6, format='(3(f0.1, "e-6, "))'
20.0e-6, 2.0e-6, 0.2e-6

--
Yngvar

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[Message index]

		Force to print exponential to e-6 By: aberte@gmail.com on Fri, 14 March 2014 06:19
		Re: Force to print exponential to e-6 By: David Fanning on Fri, 14 March 2014 06:30
		Re: Force to print exponential to e-6 By: Yngvar Larsen on Fri, 14 March 2014 06:41

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