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  • Last update: 5 years ago
  • Total downloads: 30
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Pierce (2 other programs)
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scripts default iconlevicivita (Scripts) Publisher's description

Returns the levi civiata of the input indices. When Dim == 1

% levicivita
% e = levicivita(I,Dim)
% Returns the levi civiata of the input indices. When Dim == 1, each
% column is seen as a vector of indices. When Dim == 2, each row is seen
% as a vector of indices. Dim defaults to 1 when unspecified.
% levi civiata is defined as follows
% | -1 if indices are an odd permutation. i.e. [1,3,2], [3,2,1],...
% e = | +1 if indices are an even permutation. i.e [1,2,3], [3,1,2],...
% | 0 if any of the indices are equal. i.e. [1,1,1], [3,2,2],...
% Example
% [I{1:3}] = ndgrid(1:3,1:3,1:3); % All 3D subscripts
% I = [I{1}(:) I{2}(:) I{3}(:)]; % 3D subscripts, i,j,k
% e = levicivita(I,2) % Levi civiata for 3D
% levicivita([1 2 3 4].') % Levi civiata for 4D
% See also
% levicivita permutationparity

System Requirements:

MATLAB 7.9 (2009b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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