Added iscellofchar function.
Test if all the elements of a two dimensional cell array are strings.time-shift
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function a = iscellofchar(b)
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% Copyright (C) 2012 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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a = 1;
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if ndims(b)>2
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error(['iscellofchar: Input argument ''' inputname(1) ''' has to be a two dimensional cell array!'])
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end
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[n,m] = size(b);
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p = numel(b);
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q = 0;
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for i=1:m
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for j=1:n
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if ischar(b{j,i})
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q = q + 1;
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end
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end
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end
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if ~isequal(q,p)
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a = 0;
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end
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