Moved

get_param_by_name --> get.param_by_name
set_param_value --> set.param_value
plus the additional set utility:
set.shock_stderr_value
\

matlab/+set/shock_stderr_value.m

+function set_shock_stderr_value(exoname,value)
+
+% Copyright (C) 2019 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/>.
+
+global M_
+
+i = strmatch(exoname,M_.exo_names,'exact');
+
+if isempty(i)
+    error(['Shock name ' exoname ' doesn''t exist'])
+end
+
+M_.Sigma_e(i,i) = value^2;