[Insight-users] FEM: PDE of Crank-Nicolson solver

[Cristina Oyarzun]

Hello,

I am using itk FEM registration filter. This filter makes use of
itkFEMSolverCrankNicolson. In the header file of the solver one finds the
equation that the solver tries to solve. However, one can only find there
its Crank-Nicolson formulation but not the original PDE that leads to that
equation.

I tried to get the discretized equation by using the equation of motion that
is described in a book and Crank-Nicolson scheme but did not arrive to the
same solution. Could someone tell me which on is the original PDE that is
solved in itkFEMSolverCrankNicolson?

Thank you!!

Greetings,

Cristina
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