Added @dynSeries/pop method.

Removes a variable form a dynSeries object.

matlab/@dynSeries/pop.m

+function [ts,id] = pop(ts,a)
+% Removes a variable from a dynSeries object.
+
+%@info:
+%! @deftypefn {Function File} {@var{ts} =} pop (@var{ts}, @var{a})
+%! @anchor{dynSeries/pop}
+%! @sp 1
+%! Pop method for the dynSeries class. Removes a variable from a dynSeries object.
+%! @sp 2
+%! @strong{Inputs}
+%! @sp 1
+%! @table @ @var
+%! @item ts
+%! Object instantiated by @ref{dynSeries}.
+%! @item a
+%! String, name of the variable to be removed.
+%! @end table
+%! @sp 2
+%! @strong{Outputs}
+%! @sp 1
+%! @table @ @var
+%! @item ts
+%! Object instantiated by @ref{dynSeries}, without variable (@var{a}).
+%! @item id
+%! Scalar integer, position of variable (@var{a}) in the original dynSeries object @var{ts}.
+%! @end table
+%! @end deftypefn
+%@eod:
+
+% Copyright (C) 2013 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare 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.
+%
+% Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+id = strmatch(a,ts.name,'exact');
+ts.vobs = ts.vobs-1; 
+ts.data(:,id) = [];
+ts.name(id) = [];
+ts.tex(id) = [];
+
+%@test:1
+%$ % Define a datasets.
+%$ A = rand(10,3);
+%$
+%$ % Define names
+%$ A_name = {'A1';'A2';'A3'};
+%$
+%$ t = zeros(4,1);
+%$
+%$ % Instantiate a time series object.
+%$ try
+%$    ts1 = dynSeries(A,[],A_name,[]);
+%$    ts2 = pop(ts1,'A2');
+%$    t(1) = 1;
+%$ catch
+%$    t = 0;
+%$ end
+%$
+%$ if length(t)>1
+%$    t(2) = dyn_assert(ts2.vobs,2);
+%$    t(3) = dyn_assert(ts2.nobs,10);
+%$    t(4) = dyn_assert(ts2.data,[A(:,1), A(:,3)],1e-15);
+%$ end
+%$ T = all(t);
+%@eof:1