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Re: where can find math function name in IDL? [message #43645 is a reply to message #43639]

Tue, 19 April 2005 14:00

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

lixiaoyao wrote:
> for example,pow(),log,something else,thanks
>

You have to search in the IDL help index. Typing

IDL> ?

will start the help system. On Windows, a Windows Help File will be
opened, where you can go to "Index" on the second tab. I don't have
access to IDL on Linux at the moment, but I think Acrobat reader will
pop up and you should also be able to find an index somewhere. Have a
look at the thread "Adobe Reader 7.0 in IDL?" from 04/14 on this
newsgroup for alternatives (xchm or IDLWAVE).

You can't find "power" in the help index? Be creative. Search for
"exponentiation", and you'll find what you are looking for. Searching
for "log" will give the the answer right away. Also, searching for
"operator" will list a lot of useful stuff.

Good luck,
Benjamin

PS: ^ does exponentiation, alog() and alog10() do natural and base-10
logarithm

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[Message index]

		Re: where can find math function name in IDL? By: lixiaoyao on Tue, 19 April 2005 14:50
		Re: where can find math function name in IDL? By: Benjamin Hornberger on Tue, 19 April 2005 14:00
		Re: where can find math function name in IDL? By: Haje Korth on Tue, 19 April 2005 13:36

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