/[escript]/trunk/doc/user/diffusion.tex
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revision 2494 by jfenwick, Thu Mar 26 04:33:44 2009 UTC revision 2495 by ahallam, Fri Jun 26 03:39:21 2009 UTC
# Line 212  A\hackscore{jl}=A\hackscore{lj}\;. Line 212  A\hackscore{jl}=A\hackscore{lj}\;.
212  \end{equation}  \end{equation}
213  Note that $D$ and $d$ may have any value and the right hand sides $Y$, $y$ as well as the constraints  Note that $D$ and $d$ may have any value and the right hand sides $Y$, $y$ as well as the constraints
214  are not relevant. The Helmholtz problem is symmetric.  are not relevant. The Helmholtz problem is symmetric.
215  The \LinearPDE class provides the method \method{checkSymmetry} method to check if the given PDE is symmetric.  The \LinearPDE class provides the method \method{checkSymmetry} to check if the given PDE is symmetric.
216  \begin{python}  \begin{python}
217  mypde=LinearPDE(mydomain)  mypde=LinearPDE(mydomain)
218  mypde.setValue(A=kappa*kronecker(mydomain),d=eta)  mypde.setValue(A=kappa*kronecker(mydomain),d=eta)

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