| Partial Differential Equations Toolbox | |
Shorthand command for contour plot.
pdecont(p,t,u) pdecont(p,t,u,n) pdecont(p,t,u,v) h=pdecont(p,t,u) h=pdecont(p,t,u,n) h=pdecont(p,t,u,v)
Description
pdecont(p,t,u)
draws 10 level curves of the PDE node or triangle data u.
h=pdecont(p,t,u)
additionally returns handles to the drawn axes objects.
If u is a column vector, node data is assumed. If u is a row vector, triangle data is assumed. Triangle data is converted to node data using the function pdeprtni.
The geometry of the PDE problem is given by the mesh data p and t. Details on the mesh data representation can be found in the entry on initmesh.
pdecont(p,t,u,n)
plots using n levels.
pdecont(p,t,u,v)
plots using the levels specified by v.
This command is just shorthand for the call
pdeplot(p,[],t,'xydata',u,'xystyle','off','contour','on',...
'levels',n,'colorbar','off');
If you want to have more control over your contour plot, use pdeplot instead of pdecont.
Examples
Plot the contours of the solution to the equation 
over the geometry defined by the L-shaped membrane. Use Dirichlet boundary conditions u = 0 on 
.
» [p,e,t]=initmesh('lshapeg');
» [p,e,t]=refinemesh('lshapeg',p,e,t);
» u=assempde('lshapeb',p,e,t,1,0,1);
» pdecont(p,t,u)
See Also
pdeplot, pdemesh, pdesurf
| pdecirc | pdeeig | |