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Is it possible to impose periodic boundary conditions on Chebyshev differentiation matrix?

I have been using the Chebyshev collocation method for solving PDEs. In particular to solve a 3D generalized Poisson's equation. …
Jamie 's user avatar
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71 views

How to correctly implement boundary conditions with Chebyshev differentiation matrix?

In my code I am able to implement zero Dirichlet boundary conditions, however, in my opinion my method does not seem to be as smooth and effective as possible. I am solving a Poisson's equation with t …
Jamie 's user avatar
  • 121
1 vote
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Where is the issue in my nonlinear PDE solver using pseudo-spectral methods with Chebyshev c...

This is a repost from another community, I think the question would be better here. This bug has been haunting me for a while and would love new pair of eyes to help, not sure if this is the right pla …
Jamie 's user avatar
  • 121