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When running the NAF hole size and position optimizer with no holes, the only optimizer in the NAF Study Model that can just change bore length, an exception is thrown. This is because the BOBYQA opti…
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Dear openturns 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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Py-BOBYQA should have a MATLAB interface which mimics fminunc/fminsearch.
MATLAB's Python interface doesn't support callable functions (e.g. objfun), so need to go through the C interface to both l…
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Hi @jvcasillas ,
Thanks again so much for your time today. Here is the code that you asked for me to share with you:
Mood_Production = glmer(
Average ~ Token_Main_Lemma_Std + FofA_Std + DELE…
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https://nashjc.wordpress.com/2016/11/20/choosing-which-method-to-use-for-optimizating-functions/
Let us set some logical variables to define our problem:
* haveg = TRUE if there are analytic g…
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I'm facing an issue where a linear mixed model terminates at a saddle point for some datasets. I've tried to search for any prior discussion but was unable to find anything. The short version is that …
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### Is your feature request related to a problem? Please describe.
Dear SciPy maintainers,
This is Dr. Zaikun Zhang from the Hong Kong Polytechnic University. Together with Professor [N.I.M. Gou…
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Reported by Henrik Singmann, [r-sig-mixed-models list](http://permalink.gmane.org/gmane.comp.lang.r.lme4.devel/11858).
```
require(lme4)
ddat
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I tested bybobyqa e.g. with the rastrigin function for different input dimensions.
The numerical results were very good but I got an increasingly strong speed penalty.
For 50 dimensions it was alrea…
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Here is an example,
```
library(lme4)
set.seed(1)
nGroups