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This isn't easy to reproduce, but I'm running L-BFGS-B and at this step in CubicLineSearch#interp
```
val d2 = sqrt(d1 * d1 - l.dd * r.dd)
```
`d2` becomes NaN because `l.dd * r.dd` > `d1 * d1`. T…
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@pkofod and I thought it would be useful to brainstorm about possible GSoC 2018 projects.
If anybody has ideas for projects or feedback on the points below that would be great.
**Constrained opti…
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@burdges [had an idea](https://github.com/rust-lang-nursery/rand/pull/303#issuecomment-373539213), looking something like:
```rust
pub trait BlockRngCore {
/// Results element type, e.g. `u32`.…
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I thought I would apporach you so that I can share our experience with using React from Java so far, and ideally, we all can converge our efforts in creating a one, single React library for Java. (By …
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As reported by @klaussj here: https://github.com/aspnet/EntityFrameworkCore/issues/12951#issuecomment-427380358
Removing the query filter fixes the issue.
```C#
namespace DemoIssue
{
publ…
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We have a change in behavior of how "unconstrained" fits behave (e.g. those with a degree-of-freedom of 0 or less) compared to the 4.10 behavior, which is related to the replacement of the Fortran-bas…
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Greetings. I have this implementation of a trust-region Gauss-Newton method, following Fletcher's book. I also have an SQP method implementation, of which this was a part of. I would love to contribut…
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The structure of this parts need to be revisited. Issues I see at the moment:
Models feature a riskFreeRate and dividendYield. It makes much more sense to use DiscountCurve (standalone, without any…
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There's already a fenics interface for this, I believe, but I can't recall what it looks like.
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@sledorze @raveclassic @grossbart
I was waiting for https://github.com/Microsoft/TypeScript/pull/26349 in order to start working on `fp-ts@2.x` but alas looks like it will be delayed for an indefi…