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In Julia 1.0 the matrix exponential is done via `exp` and not `expm` as before. To have a consistent naming I would suggest to rename `expmv` and `phimv`.
acroy updated
6 years ago
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In PR #30 , we find the variable `anorm = norm(A, Inf)` in `expmv` function does not affect the correctness and performance of the program.
As `norm` function is not designed for a general `Linear …
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Hey guys,
Is it possible that `vm[m+1]` may be read out without having been initialized in the following line?
https://github.com/QuEraComputing/Bloqade.jl/blob/4c3b0be48a9840e6f5dd2abd307e44bc2…
dojt updated
10 months ago
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Wish-list / todo-list for more matrix exponential methods
* [ ] An implementation of *A. H. Al-Mohy and N. J. Higham, A new scaling and squaring algorithm
for the matrix exponential, SIAM J. Ma…
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[LinearMaps.jl](https://github.com/Jutho/LinearMaps.jl) can map a matrix vector multiplication to a linear operator.
Is it possible to support `expmv` fallback for a general linear operator? I need…
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https://pdfs.semanticscholar.org/caa1/e0110bd4f24e55fed194b95a7cd296c8d72f.pdf
https://link.springer.com/article/10.1007/s10915-009-9291-3
These aren't formulated in a particularly good way and wo…
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My problem of interest is imaginary time evolution of a Schrodinger-like equation, so I need to discretize time and re-normalize the wavefunction after each time step in order to avoid the trivial zer…
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In Gram-Schmidt iterations, re-orthogonalization is often required to enforce the obtained spanning space is correct up to some precision in many practical applications.
https://www.cs.cornell.edu/…
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This issue collects the ideas that go into the roadmap for Expmv.jl. The basic problem is to calculate `v = kappa(dt*A)*u)`, where `kappa(z)` is some approximation to `exp(z)`. This should be done in-…
jagot updated
6 years ago
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This issue is supposed to give a rough idea about the features/functionality I am planning to implement and would like to have (not necessarily in this package). Any help and comments are greatly appr…
acroy updated
10 years ago