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cell2vec.m
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cell2vec.m
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% Convert cell array to vector.
%
% v = cell2vec(c) turns a cell array of wavefunction expansion coefficients
% into a vector.
%
% This assumes that v holds coefficients v_{l,j} for l=0,...,n and j =
% -l,...,l ordered thus:
%
% index l j
% -------------------
% 1 0 0
% 2 1 -1
% 3 1 0
% 4 1 1
% 5 2 -2
% 6 2 -1
% 7 2 0
% 8 2 1
% 9 2 2
%
% and so on.
%
% The cell array c stores the coefficients v_{l,-j},...,v_{l,j} in c{l+1}.
%
% See also: vec2cell.
%
% Stuart C. Hawkins - 20 April 2021
% Copyright 2019-2022 Stuart C. Hawkins
%
% This file is part of TMATROM3
%
% TMATROM3 is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% TMATROM3 is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with TMATROM3. If not, see <http://www.gnu.org/licenses/>.
function v = cell2vec(c)
v = cell2mat(c);