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3 votes
1 answer
140 views

Estimating the spectral radius when applying the method of lines

12 votes
2 answers
2k views

Why are systems with clustered eigenvalues easy to solve?

2 votes
0 answers
40 views

How to use a preconditioner estimated from a subset of data?

3 votes
1 answer
181 views

Solving underdetermined Lyapunov equation?

2 votes
1 answer
81 views

enough conditions to check that a matrix doesn't have Cholesky factorization while factorizing it

0 votes
1 answer
178 views

Problems on the algebraic theory of sparse matrices

3 votes
0 answers
112 views

Stochastic power iteration for generalized eigenvalue problems?

0 votes
0 answers
16 views

How do you determine the Mott-Insulator to Superfluid transition in the Bose Hubbard System

2 votes
1 answer
1k views

Calculate partial trace of an outer product in Python?

1 vote
1 answer
61 views

Dyadic product of a Gaussian vector (in Convolution kernel)

10 votes
1 answer
3k views

What is the state of the art algorithm for diagonalizing real symmetric matrices?

4 votes
1 answer
299 views

How to efficient solve $e^{-tA} x =b$, where A is a very sparse matrix

0 votes
1 answer
257 views

Questions on the theory of distributed numerical algebraic computation

0 votes
0 answers
44 views

recommendation on some papers/books about frontal solver used in FEM

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