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diff gridDerivatives.m @ 0:48b6fb693025

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Initial commit.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 17 Sep 2015 10:12:50 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gridDerivatives.m	Thu Sep 17 10:12:50 2015 +0200
@@ -0,0 +1,15 @@
+% Calculates derivatives in all directions of function.
+% Uses multi-dim vector form.
+%   gridDerivatives(F,Dx,Dy)
+%   gridDerivatives(F,Dx,Dy,Dz)
+function varargout = gridDerivatives(F, varargin)
+    assert(length(varargin) == ndims(F));
+
+    switch ndims(F)
+        case 2
+            varargout{1} = (varargin{1}*F')';
+            varargout{2} = varargin{2}*F;
+        otherwise
+            error('Not implemented for ndims(F) = %d',ndims(F));
+    end
+end
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