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view gridDerivatives.m @ 1232:52d774e69b1f feature/dirac_discr

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Clean up diracDiscr, remove obsolete tests.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 19 Nov 2019 13:54:41 -0800
parents 48b6fb693025
children
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% 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