[2dde16]: inst / BilinearForm.m Maximize Restore History

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53``` ```## Copyright (C) 2013 Marco Vassallo ## ## This program 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. ## ## This program 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 ## this program; if not, see . ## -*- texinfo -*- ## @deftypefn {Function File} {[@var{a}]} = @ ## BilinearForm (@var{my_problem}, @var{U}, @var{V}, @var{coefficient_1}, @ ## @var{coefficient_2},...) ## ## Construct a BilinearForm previously imported from ufl. ## ## The compulsory arguments are: ## @itemize @bullet ## @item @var{my_problem} the name of the problem to solve. ## @item the FunctionSpace @var{U} and @var{V} where the problem is defined. ## @end itemize ## ## The optional arguments are the @var{coefficient_1}, @var{coefficient_2} ## which specify the parameters for the BilinearForm as stated in the ufl file. ## They can be either a Constant, a Function or an Expression. ## ## @seealso{import_ufl_BilinearForm, @import_ufl_Problem, FunctionSpace, ## LinearForm, ResidualForm} ## @end deftypefn function a = BilinearForm (name, U, V, varargin) if nargin < 2 error ("BilinearForm: wrong number of input parameters."); elseif ! ischar (name) error ("BilinearForm: first argument is not a valid string"); endif program = sprintf ("%s_BilinearForm(U, V", name); for k = 1:length (varargin) eval(['f_' num2str(k) '=varargin{k};']); program = strjoin ({ program, strcat('f_',num2str(k))}, ','); end program = strjoin ({program, ');'}); a = eval (program); endfunction ```