function pdemodel
[pde_fig,ax]=pdeinit;
pdetool('appl_cb',3);
set(ax,'DataAspectRatio',[1 1 1]);
set(ax,'PlotBoxAspectRatio',[3 2 1]);
set(ax,'XLim',[-1.5 1.5]);
set(ax,'YLim',[-1 1]);
set(ax,'XTickMode','auto');
set(ax,'YTickMode','auto');

% Geometry description:
pdepoly([ -1,...
 -1,...
 -0.90000000000000002,...
 -0.050000000000000003,...
 0.050000000000000003,...
 0.90000000000000002,...
 1,...
 1,...
],...
[ 0.5,...
 -0.5,...
 -0.5,...
 -0.5,...
 -0.5,...
 -0.5,...
 -0.5,...
 0.5,...
],...
 'P1');
set(findobj(get(pde_fig,'Children'),'Tag','PDEEval'),'String','P1')

% Boundary conditions:
pdetool('changemode',0)
pdesetbd(8,...
'dir',...
2,...
str2mat('1','0','0','1'),...
str2mat('0','0'))
pdesetbd(7,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'))
pdesetbd(6,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','-1'))
pdesetbd(5,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'))
pdesetbd(4,...
'mix',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'),...
str2mat('0','1'),...
'0')
pdesetbd(3,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'))
pdesetbd(2,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'))
pdesetbd(1,...
'neu',...
2,...
str2mat('0','0','0','0'),...
str2mat('0','0'))

% PDE coefficients:
pdeseteq(1,...
str2mat('2*((1E3)./(2*(1+(0.3))))+(2*((1E3)./(2*(1+(0.3)))).*(0.3)./(1-(0.3)))','0','(1E3)./(2*(1+(0.3)))','0','(1E3)./(2*(1+(0.3)))','2*((1E3)./(2*(1+(0.3)))).*(0.3)./(1-(0.3))','0','(1E3)./(2*(1+(0.3)))','0','2*((1E3)./(2*(1+(0.3))))+(2*((1E3)./(2*(1+(0.3)))).*(0.3)./(1-(0.3)))'),...
str2mat('0.0','0.0','0.0','0.0'),...
str2mat('0.0','0.0'),...
str2mat('1.0','0','0','1.0'),...
'0:10',...
'0.0',...
'0.0',...
'[0 100]')
setuprop(pde_fig,'currparam',...
['1E3';...
'0.3';...
'0.0';...
'0.0';...
'1.0'])

% Solve parameters:
setuprop(pde_fig,'solveparam',...
str2mat('0','1000','10','pdeadworst',...
'0.5','longest','0','1E-4','','fixed','Inf'))

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