GRADCROSSUV - computes dU/dx - dV/dy This convenience function uses @HFRC/diff to compute -dU/dy+dV/dx - the cross product of the gradient with the UV vector. Usage: gradcross = gradcrossUV( hfrc_obj, ... ); ... = arguments for HFRC/diff. See help HFRC/diff for information. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% $Id: gradcrossUV.m,v 1.7 2005-06-23 02:18:51 dmk Exp $ Copyright (C) 2001 David M. Kaplan Licence: GPL %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

- diff DIFF - This function tries to differentiate the variables in

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