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Re: Gradient of two dimensional field [message #8204 is a reply to message #8200] Wed, 19 February 1997 00:00 Go to previous messageGo to previous message
davidf is currently offline  davidf
Messages: 2866
Registered: September 1996
Senior Member
Andy Loughe <afl@cdc.noaa.gov> writes in response to Wilpert Martin:

>> we want to determine the electrical field from a given potential,
>> i.e. we have to calculate the gradient of a two dimensional array.

> I would think that the shift function (used twice)
> could be used to do this.

Andy, do you think you could you give those of us who are
wondering about this just a small example of what you
mean? Thanks!

David

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David Fanning, Ph.D.
Fanning Software Consulting
2642 Bradbury Court, Fort Collins, CO 80521
Phone: 970-221-0438 Fax: 970-221-4762
E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com
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