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Is there a way to effectively visualize word collocations from a corpus? In other words, a way to visually depict prominent or interesting n-grams? NLTK exposes [several methods](http://www.nltk.org/h…
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See:
- Betts and Huffman 1999 Exploiting sparsity in the direct transcription method for optimal control and
- Patterson and Rao 2012 Exploiting sparsity in direct collocation pseudospectral metho…
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Is it possible to combine the Koopman expectation method with collocation techniques defined in DiffEqFlux for very efficient stochastic optimal control?
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We should add more test problems to exercise the PDECHEB code in as many modes as possible.
A few relevant codes in this area are:
- [PDEONE](https://doi.org/10.1145/355644.355650)
- [PDECOL](h…
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If we frame our approach as doing "Uncertainty-aware Planning with Learned dynamics", we can broadly classify different methods
1. Choice of gradient estimation: First vs. Zeroth-order.
- fir…
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I was trying to include some code that is using `BasisMatrices` to here, but it fails. The situation is the same as that described in "[Circular modules and precompilation errors](https://discourse.ju…
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`Solver` base class needs to require methods for interpolation. For `OrthogonalCollocation` these methods will be trivial. For `ShootingSolver` this will require implementing B-spline interpolation. …
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We have diagonally implicit and explicit Runge-Kutta methods implemented for comparison between SDC and other algorithms.
If anyone ever feels bored, I think it would be nice to implement multistep m…
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I got this error when I tried to solve the brachisto example with direct and shooting:
`
Traceback (most recent call last):
File "", line 1, in
File "C:\Program Files\JetBrains\PyCharm 2018…
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We should build in some interpolation functionality to automatically construct start value functions and optionally return infinite variable solutions as functions.