function pdemodel

[pde_fig,ax]=pdeinit;
pdetool('appl_cb',1);
set(ax,'DataAspectRatio',[1 1 1]);
set(ax,'PlotBoxAspectRatio',[6 6 1]);
set(ax,'XLimMode','auto');
set(ax,'YLimMode','auto');
set(ax,'XTickMode','auto');
set(ax,'YTickMode','auto');

% Geometry description:
pderect([-5 0 0 5],'RectIzq');
pderect([0 5 -5 5],'RectDer');
set(findobj(get(pde_fig,'Children'),'Tag','PDEEval'),'String','RectIzq+RectDer')

% Boundary conditions:
pdetool('changemode',0)
pdesetbd(7,...
'neu',...
1,...
'0',...
'0')
pdesetbd(6,...
'neu',...
1,...
'0',...
'0')
pdesetbd(5,...
'neu',...
1,...
'0',...
'0')
pdesetbd(4,...
'neu',...
1,...
'0',...
'0')
pdesetbd(3,...
'dir',...
1,...
'1',...
'0')
pdesetbd(2,...
'neu',...
1,...
'0',...
'10')
pdesetbd(1,...
'neu',...
1,...
'0',...
'0')

% Mesh generation:
setappdata(pde_fig,'Hgrad',1.3);
setappdata(pde_fig,'refinemethod','regular');
setappdata(pde_fig,'jiggle',char('on','mean',''));
pdetool('initmesh')
pdetool('refine')
pdetool('refine')
pdetool('refine')

% PDE coefficients:
pdeseteq(1,...
'1.0',...
'0.0',...
'0.0',...
'1.0',...
'0:10',...
'0.0',...
'0.0',...
'[0 100]')
setappdata(pde_fig,'currparam',...
['1.0';...
'0.0';...
'0.0';...
'1.0'])

% Solve parameters:
setappdata(pde_fig,'solveparam',...
str2mat('0','24096','10','pdeadworst',...
'0.5','longest','0','1E-4','','fixed','Inf'))

% Plotflags and user data strings:
setappdata(pde_fig,'plotflags',[1 1 1 1 1 1 1 1 0 0 0 1 1 0 1 1 0 1]);
setappdata(pde_fig,'colstring','');
setappdata(pde_fig,'arrowstring','');
setappdata(pde_fig,'deformstring','');
setappdata(pde_fig,'heightstring','');

% Solve PDE:
pdetool('solve')
