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Sebastian Weber on stan-users pointed out that the matrix returned by the Jacobian functional in `math/rev/mat/functor/jacobian.hpp` returns a tranposed result.
According to
https://en.wikipedia.or…
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We currently have very good functionality for resampling vectors to different grids, namely by:
``` python
out.restriction(in.extension)
```
We should formalize this by adding something like the fol…
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Hi there,
every time I try to load the rstanarm library R crashes.
Below is a copy of the message:
**[R.app GUI 1.66 (7060) x86_64-apple-darwin13.4.0]
> library(rstanarm)
> Loading required package:…
rubgb updated
8 years ago
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I accidentally built libmesh with an outdated PETSC_DIR and configure decided to use Eigen. It turns out that adjoints/ex4 passes in optimized mode with the Eigen solvers, but not dbg mode... initial…
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The following should have nullity 2, but only a single chebfun is returned:
```
>> L = chebop(@(r,u) (r-0.7).*diff(u, 2)-diff(u)-3*u,[1, 10]);
>> null(L)
u =
chebfun column (1 smooth piece)
…
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When a trust-region method rejects a step, we don't move, reduce the size of the trust-region, and then compute the Krylov solve again. Unless the trust-region starts cutting into the Cauchy point, i…
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the test_gradients test in test_fixture_distr.hpp, test_fixture_cdf.hpp, test_fixture_cdf_log.hpp and test_fixture_ccdf_log.hpp is broken.
The test_gradients in test_fixture_distr.hpp is intended to…
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I'm trying to run a shallow water simulation with turbines, but without any adjoint optimisation. I'm getting the following error
```
Turbine added at (25.00, 25.00).
Turbine added at (50.00, 25.00).…
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Hi, just a quick remark: it seems that (in some applications) you could save quite a bit by having separate AddFloat / SubFloat / MulFloat / DivFloat variants in Reverse.fs, to treat all four [Adj \* …
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Continuing from #627, I have the pasting diagram
I guess I want to get rid of the `ϵ′` `η…