Mercurial > repos > public > sbplib
comparison gridDerivatives.m @ 0:48b6fb693025
Initial commit.
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Thu, 17 Sep 2015 10:12:50 +0200 |
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| -1:000000000000 | 0:48b6fb693025 |
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| 1 % Calculates derivatives in all directions of function. | |
| 2 % Uses multi-dim vector form. | |
| 3 % gridDerivatives(F,Dx,Dy) | |
| 4 % gridDerivatives(F,Dx,Dy,Dz) | |
| 5 function varargout = gridDerivatives(F, varargin) | |
| 6 assert(length(varargin) == ndims(F)); | |
| 7 | |
| 8 switch ndims(F) | |
| 9 case 2 | |
| 10 varargout{1} = (varargin{1}*F')'; | |
| 11 varargout{2} = varargin{2}*F; | |
| 12 otherwise | |
| 13 error('Not implemented for ndims(F) = %d',ndims(F)); | |
| 14 end | |
| 15 end |