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At least for local gradient-based methods, [OpenMx](http://openmx.psyc.virginia.edu/) needs support for soft feasibility constraints expressed by returning NaN for the fit. We use these in situations …
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I am getting that, and seems others are also:
https://github.com/gigablast/open-source-search-engine/issues/199#issue-1550056077
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In keeping with tradition, I'd like to open an issue for homework 2. It's due on the 28th. I've posted the pdf to the `homeworks/2` directory for convenience.
How about we schedule a meeting for …
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Hi @MatthewPeterKelly ,
Excuse me fro the naive question. I'm new here
I'd like to know if the user should always define the constraints (eg. non-linear equality constraints)
for solving the traj…
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I received a PC with WISDEM working correctly (both GUI and examples). Thus, I have successfully installed the GeneratorSE 2.0 in the same WISDEM environment, but the examples do not work, as observed…
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This would be highly useful for evolving tangent vectors using Jacobian; i.e., for evolving [cocycles](https://en.wikipedia.org/wiki/Oseledets_theorem#Cocycles). This, in turn, can be used for calcul…
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Some functions have sparse Jacobian or sparse Hessian and it can be usefull to obtain them as sparse matrices rather than accessing to the values through vector-jacobian or vector-hessian products fu…
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I have a problem that I'm working on. I have an 18 x 1 matrix of long expressions. I'd like to take the Jacobian of it with respect to 42 variables. I've let this operation run on my machine for 15 to…
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current copula modules still have parts that need to be cleaned up or finished for 0.13
several items listed in merged PR #7408
following copied from https://github.com/statsmodels/statsmodels/pul…
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In Banff, Rune commented that he had a suite of convergence tests for GLMMs in the `ordinal` package. We should think about adapting/stealing these; also worth looking at the KKT criterion calculator…