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Tue, 12 November 2013 06:07

Matthew Argall
Messages: 286
Registered: October 2011

Senior Member

> D=(shift(shift(A,0,1)-A,0,1)-(shift(A,0,1)-A))[*,2:*]

print, (Shift_Diff(Shift_Diff(A, DIRECTION=1, /EDGE_WRAP), DIRECTION=1, /EDGE_WRAP))[*,2:*]

		derivative function in IDL similar as DIFF in matlab By: Jie Zhou on Tue, 12 November 2013 02:08
		Re: derivative function in IDL similar as DIFF in matlab By: lecacheux.alain on Tue, 12 November 2013 02:27
		Re: derivative function in IDL similar as DIFF in matlab By: Matthew Argall on Tue, 12 November 2013 04:01
		Re: derivative function in IDL similar as DIFF in matlab By: lecacheux.alain on Tue, 12 November 2013 04:07
		Re: derivative function in IDL similar as DIFF in matlab By: Matthew Argall on Tue, 12 November 2013 04:08
		Re: derivative function in IDL similar as DIFF in matlab By: Jie Zhou on Tue, 12 November 2013 04:18
		Re: derivative function in IDL similar as DIFF in matlab By: Matthew Argall on Tue, 12 November 2013 06:07

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