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Dear lme4 maintainers
This is Dr. Zaikun Zhang from The Hong Kong Polytechnic University. Together with Professor [N.I.M. Gould](https://www.numerical.rl.ac.uk/people/nimg/), I am responsible for m…
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Dear csnumrics maintainers,
This is Dr. Zaikun Zhang from the Hong Kong Polytechnic University. Together with Professor [N.I.M. Gould](https://www.numerical.rl.ac.uk/people/nimg/), I am responsible…
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I am testing `prima` on powerpc 32-bit, and test suite freezes on stress tests. Prior to that tests (examples really) pass.
Then I have to interrupt the process, since nothing is happening.
Pro…
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Dear Ben and team, I have been using the modular functions to customize some of our problems and I noticed that the control argument seems to be ignored in the modular functions. Here a minimal exampl…
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- [ ] NEWUOA: There's a c++ implementation in this library: ~~https://github.com/elsid/newuoa-cpp but also look at other libraries.~~ see comment below for better implementation
- [x] LBFGS: https://…
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Dear NLopt maintainers,
This is Dr. Zaikun Zhang from the Hong Kong Polytechnic University. Together with Professor [N.I.M. Gould](https://www.numerical.rl.ac.uk/people/nimg/), I am responsible for…
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Models that are run with PRAXIS as the optimizer will not terminate. In the simple example below, the model will spin indefinitely but if manually stopped, it will return the expected coefficients. BO…
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Dear Scikit-Optimize maintainers,
This is Dr. Zaikun Zhang from The Hong Kong Polytechnic University. Together with Professor [N.I.M. Gould](https://www.numerical.rl.ac.uk/people/nimg/), I am respo…
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Dear csnumerics team,
I'm trying to solve an optimization problem where the objective function is calculated using precalculated variables, therefore these variables need to be passed as additional…
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Working through tests etc. while trying to make sure that the fix for https://github.com/lme4/lme4/issues/166 doesn't break anything else.
One of the tests in https://github.com/lme4/lme4/blob/master…