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Re: passing variable error [message #66257 is a reply to message #66256]

Sun, 26 April 2009 18:27

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

xiao writes:

> Sorry, the second post today, I want to pass some variable to a
> function from the main program. The variable passed successful in the
> first step of the loop but failed in the second step. why is that?

Almost certainly because one of your assumptions is
wrong. There is nothing to do but step through your
code, step by step until you figure out which one
(or ones, often) are wrong. This is Basic Programming
101. We can't help much.

Cheers,

David

P.S. If it is any consolation, once you run into this
kind of problem three or four times, it sometimes
gets easier to solve. Or not. :-)

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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		Re: passing variable error By: xiao zhang on Sun, 26 April 2009 18:44
		Re: passing variable error By: David Fanning on Sun, 26 April 2009 18:27

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