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Re: Gradient idl [message #90558 is a reply to message #90553]

Tue, 10 March 2015 09:00

siumtesfai
Messages: 62
Registered: April 2013

Member

On Tuesday, March 10, 2015 at 1:12:31 AM UTC-4, siumt...@gmail.com wrote:
> Hello all,
>
> How can calculate gradient a 2-Dimensional scalar field with missing data.
>
>
>
> Best regards

do you mean to calculate gradient of a scalar function (2ddata) can be solved this way

kernel = [ [-1,0,1],[-1,0,1]]
result = CONVOL(2Ddata, kernel,/NAN)

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[Message index]

		Gradient idl By: siumtesfai on Mon, 09 March 2015 22:12
		Re: Gradient idl By: siumtesfai on Tue, 10 March 2015 09:00
		Re: Gradient idl By: Jeremy Bailin on Tue, 10 March 2015 09:13
		Re: Gradient idl By: siumtesfai on Tue, 10 March 2015 09:39
		Re: Gradient idl By: Jeremy Bailin on Wed, 11 March 2015 08:41
		Re: Gradient idl By: siumtesfai on Wed, 26 August 2015 09:02

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