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```
let inline r x y = (x*x)*(y*y)
let a = D 3.0f |> makeForward 0u (D 1.0f)
let a' = a |> makeForward 1u (D 1.0f)
let b = D 2.0f |> makeForward 0u (D 0.0f)
let b' = b |> makeForward 1u (D 0.0f)
le…
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The script `benchmark.jl` now takes 165 seconds to complete. Earlier it took 24 seconds to compute the same result. The amount of memory allocated during it's execution increased 10 fold during this t…
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_From @ksvanhorn on March 19, 2015 18:0_
I have been seeing some strange behavior from rstan that I have not been able to boil down to a simple case, as it's a "Heisenbug" -- problems come and go wit…
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I thought the example looked a little clunky, where we do the following to compute an nth derivative:
```
>>> grad_tanh_2 = grad(grad_tanh) # 2nd derivative
>>> grad_tanh_3 = grad(grad_tanh…
r0fls updated
9 years ago
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@dpo, I had a weird segmentation fault (random occurrence), could you try to recreate?
``` julia
using CUTEst
nlp = CUTEstModel("ROSENBR")
for i = 1:100000
uhprod(nlp, false, [0.0;0.0], [0.0;0.0]…
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A very minor issue but thought I'd bring it up.
scipy.optimize.minimize expects hessian_vector_product(args, vector).
However, the hessian_vector_product in autograd returns a function like
hessian_…
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I am getting an error that the search direction is not a direction of descent,
it suggests that _"this error may indicate that user-provided derivatives are inaccurate."_
however that can not be the c…
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Hello all!
I just upgraded to pandas 0.17 and I have issues with the `filter` method from the `SARIMAX` class. This notebook is throwing errors (and my code too): https://github.com/statsmodels/stats…
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I have been seeing some strange behavior from rstan that I have not been able to boil down to a simple case, as it's a "Heisenbug" -- problems come and go with seemingly inconsequential changes to my …
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Get help from Ben on setting up the include-what-you-use tool, then listen to it.