55 lines
1.4 KiB
Matlab
55 lines
1.4 KiB
Matlab
function ts = log(ts)
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%@info:
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%! @deftypefn {Function File} {@var{ts} =} log(@var{ts})
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%! @anchor{log}
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%! Apply the logarithm function to a Dynare time series object.
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%!
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%! @strong{Inputs}
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%! @table @var
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%! @item ts
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%! Dynare time series object, instantiated by @ref{dynSeries}
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%! @end table
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%!
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%! @strong{Outputs}
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%! @table @var
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%! @item ts
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%! Dynare time series object with transformed data field.
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%! @end table
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%!
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%! @strong{This function is called by:}
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%! None.
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%!
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%! @strong{This function calls:}
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%! None.
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%!
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%! @end deftypefn
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%@eod:
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% Copyright (C) 2011-2013 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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if any(ts.data<eps)
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error('dynSeries::log: Input argument has to be strictly positive!')
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end
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for i=1:ts.vobs
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ts.name(i) = {['log(' ts.name{i} ')']};
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ts.tex(i) = {['\log(' ts.tex{i} ')']};
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end
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ts.data = log(ts.data); |