-
Hi
Is there a function/method for deriving the log of a matrix in TMB?
Tried using Eigen 3.3.3 c++ libraries (http://eigen.tuxfamily.org/index.php?title=Main_Page)
as below
{
#include
#…
-
These are just some near term goals for after the initial alpha release
## Array tooling pieces
- [ ] More fancy formats
- [ ] Symmetric (padded and packed)
- [ ] Hermitian (padded and packed)
…
-
## 🚀 Feature
A differentiable function to find the joint eigenvalues of two matrices, MATLAB has a built-in function to find the joint eigenvalues, but I'm not sure whether it is differentiable.
ht…
-
Hello,
I have a non-symmetric square metric and would like to get an [eigendecomposition](https://en.wikipedia.org/wiki/Eigendecomposition_of_a_matrix). As far as I see, only symmetric matrices are s…
-
The `solve` method of the sparse LU-decomposition `splu` or `spilu` throws a `TypeError` if called with a `numpy.array` of type `numpy.complex`. I am actually using `spilu` for preconditioning a gmres…
-
This issue is based on the discussion initiated in [this Discourse thread](https://discourse.julialang.org/t/gathering-monomial-coefficients-of-orthogonal-polynomials-using-specialpolynomials-jl/)
…
-
DESI Commissioning Instrument needs this, with its 10% distortion at field edge.
-
`eig`, `eigh`, `inv`, `solve`, `det`, `svd`, ... . A possible implementation is here: https://github.com/certik/fortran-utils/blob/b43bd24cd421509a5bc6d3b9c3eeae8ce856ed88/src/linalg.f90.
All thes…
-
**EDIT** This issue was previously about using generalized Schur to re-implement `F-D-I-E-B`, but it turned out to not be e a working approach. As such, I'm changing this issue into a discussion about…
-
## Portfolio
Sample video made by us:
https://youtu.be/4gX0trYrjPA
https://www.youtube.com/watch?v=Dzw1pJuPAzs
## Target topic categories
Anything mathematical that is approachable for…