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Costis
  • Member for 12 years, 1 month
  • Last seen more than 6 years ago
25 votes
3 answers
924 views

Solving $(G^TA^{-1}G)x = b$ without inverting $A$

16 votes
3 answers
5k views

Single versus double floating-point precision

9 votes
1 answer
522 views

Solving a system with a small rank diagonal update

9 votes
0 answers
533 views

Updating matrix diagonal with Woodbury matrix identity and maintaining numerical accuracy

8 votes
2 answers
4k views

Open-source 3D FEM Solver for Electromagnetics (Time-Harmonic Maxwell)

7 votes
1 answer
263 views

Algorithm for dealing with medium-size non-convex QCQP

7 votes
2 answers
2k views

Convergence/stagnation of BiCGStab(l)

6 votes
2 answers
577 views

Large-scale generalized eigenvalue problem with low rank LHS matrix

5 votes
2 answers
761 views

Largest invertible dense matrix with standard solvers such as Lapack

5 votes
2 answers
1k views

minimization problem: sum of Rayleigh quotients

4 votes
1 answer
279 views

Defining electric current source excitations for surface integral equation formulations

3 votes
1 answer
241 views

Different kinds of Integral Equation Methods

3 votes
1 answer
1k views

Linear constraints for L-BFGS-B

1 vote
1 answer
146 views

Compiling HSL_ME57 and interfacing with C code

1 vote
0 answers
704 views

Issues with Open MPI [closed]

1 vote
1 answer
189 views

Effective "thickness" of finite-difference material elements