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Patrick Sanan's user avatar
Patrick Sanan's user avatar
Patrick Sanan's user avatar
Patrick Sanan
  • Member for 11 years, 2 months
  • Last seen more than 1 year ago
12 votes
Accepted

How is Krylov-accelerated Multigrid (using MG as a preconditioner) motivated?

5 votes

Bracketing a discontinuity in a step function

4 votes
Accepted

How do I make sparse solvers to accept custom matvec function insted of matrix?

4 votes

Good examples of "two is easy, three is hard" in computational sciences

3 votes

PetSc vs Sundials for serial numerical computations?

3 votes

Looking for a particular algorithm for numerical integration

2 votes
Accepted

1D inhomogeneous Poisson PDE with Dirichlet BCs, slow convergence

2 votes

cost function: why use power of two ? abs(x - xhat) / x better?

2 votes
Accepted

Is it valid MPI-3 to nest non-blocking collectives?

2 votes

setting a condition on MATLAB ode45 output

1 vote

Connections between Differential Forms and the second order Finite Volume Method

1 vote

Non-linear ordinary differential equation in the modeling of the oscillation of a meniscus

1 vote

Is Discrete Exterior Calculus currently a focusing point in numerial computing world or simulation in industry,

1 vote

Odd accuracy barrier in C/PETSc regarding finite elements

1 vote
Accepted

A doubt in Multigrid V-cycle

1 vote
Accepted

Sparse matrix vector product using PETSC

1 vote

How does a Sparse Direct Solver know about dimensionality of a problem being solved?