exb3.m

采用Matlab编写的有限元方法

%
% Plot contours of the solution to Ex 5.9.2
% See Fig. 5.9.2 for the problem mesh
%
xx=0.0:1.25:5.0;		% x-axis grid 
yy=0.0:2.5:10.0;		% y-axis grid

for j=1:5
   for i=1:5
      sol(i,j)=fsol((j-1)*5+i);		% nodal values
   end
end
v=[20 40 60 80];			% values for contour label
c=contour(xx,yy,sol);			% plot contour
xlabel('x-axis');
ylabel('y-axis');
clabel(c,v);				% label contours