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### Discussed in https://github.com/google/jax/discussions/8782
Originally posted by **DanPuzzuoli** December 2, 2021
Hi,
I've seen a bunch of discussions and issues surrounding this so I …
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cross-compiling scipy is technically possible, but I don't trust the result yet. Needs testing. Also, numpy + scipy need some cross-compiling adjustments, will have to work on those later.
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I need this for finding the eigenvectors of the Hessian after tridiagonalizing it with Lanczos iteration. Right now the function looks like:
```python
def eigh_tridiagonal(d: ArrayLike, e: ArrayLi…
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```julia
julia> derivative(x->x*derivative(y->x+y,1),1)
ERROR: MethodError: no method matching exprtype(::Core.Compiler.IRCode, ::String)
Closest candidates are:
exprtype(::Core.Compiler.IRCode,…
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Why does this fail
```julia
julia> function f3(x)::SMatrix{2,2,Float64,4}
[ x x^2; √x sin(x) ]
end
julia> Zygote.gradient(x->sum(f3(x)),3.3) # ERROR: Need an adjoint for const…
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### Issue type
Bug
### Have you reproduced the bug with TensorFlow Nightly?
Yes
### Source
source
### TensorFlow version
2.14.0-dev20230630
### Custom code
Yes
### OS platform and distributi…
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Could be nice to introduce a library to handle automatic differentiation during the training.
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#### Summary:
I have a small example program that dies with "Rejecting initial value: Gradient evaluated at the initial value is not finite" even though the log probability has a finite gradient ever…
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Consider the following example.
```julia
using ARCHModels
X = BG96[773:1272]
fit(EGARCH{1,1,1},X,meanspec=AR{1},dist=StdT)
```
This fails instantly with the following error:
```
ERROR: Asserti…
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I am now close to complete the replacement of `SimulatorState` from opm-core with `SimulationDataContainer` from opm-common. During the work I have made the following observations- which I would like …