To solve elliptic equations, on often needs the variations (the Jacobian) of the residual equations. This may or may not involve knowing the stencils for the derivative operators. Kranc could do this automatically, and thus offer e.g. an interface to PETSc for solving elliptic equations.
To solve elliptic equations, on often needs the variations (the Jacobian) of the residual equations. This may or may not involve knowing the stencils for the derivative operators. Kranc could do this automatically, and thus offer e.g. an interface to PETSc for solving elliptic equations.