Pankaj K Mishra

4 Questions 15 Answers 0 Followers

Questions related from Pankaj K Mishra

What is the recommeneded solver for Ill-conditioned system of linear equations A x =B?

I am working in meshless methods using radial basis approximation. As it is known that the system of linear equations arising is severely ill-conditioned. What approach would you like to suggest...

27 July 2015 7,300 25 View

How do you apply absorbing boundary conditions/PML in weighted residual methods or weak formulations?

I am solving acoustic wave equation in frequency domain by Galerkin's weighted residual method. How can I implement absorbing boundary conditions/PML in the formulation?

31 May 2014 9,211 7 View

What is the advantage of Meshfree Methods over Finite Element / FInite difference method?

MeshFree methods take more time and provide similar accuracy (sometimes less) as the Finite Difference method?? ( Turned out, it's not true in general. RBF collocation are faster as pointed out by...

15 April 2014 1,438 9 View

How to visualize a sparse matrix in MATLAB (or anyhow)?

During computations I have created a sparse matrix. Now I want to visualize to make sure I am going in the right direction. Any suggestions?

06 January 2014 1,795 8 View