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The function `invariant_ring` currently is implemented for matrix groups (resp. a list of matrix generators).
We should also add a constructor `invariant_ring(K::Field, G::PermGroup)` (with `K` def…
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Hi, I see the example 9, what confused me is the B.C.
Now, I have one 1d pde, how to realize the algorithm.
1d problem:
// (1) y_t[t,x] = 3 y_x[t,x] + 2 x, with I.C.
// …
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A lot of polytopes constructors in `sage.geometry.polyhedron.library`. For example
1. The Rhombicuboctahedron does not return what it should (as Python division was thought as Sage integer division…
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I am testing the covariance returned by `curve_fit` upon changes of the overall size of the x. So I am fitting the same responses (same `y`) with a fit function in which I change the coefficient in fr…
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Hi,
We added some new config types to one of the databases we're using to train a CH potential, and this triggered NaNs appearing in the alphas. As far as I can tell this is completely random and e…
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M4RIE is a library for linear algebra over small extension of GF(2). It is still in an early stage but already offers performance comparable to Magma for many inputs and is more than 1000 times fast…
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We add AG codes and unique decoders for AG codes.
In Attachments below, there are Jupyter notebooks demonstrating the new features provided by this ticket. These were presented in 2019 SIAM Confere…
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Dear authors/contributors,
First of all, thank you so much for publishing such a great work. I think it is really inspirational and we will see this model (or its variants) being deployed to solve…
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### Input requirements
- [x] Get an excel or csv file that has X and y in it
- [x] Get a name of column y
- [x] Type of regression
- [x] Degree of polynomial regression
- [x] Optimization algorit…
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bc.. Try the latest jython trunk and run:
$ jython bin/test sympy/
you'll get:
tests finished: 1190 passed, 23 failed, 33 xfailed, 1 xpassed, 6
exceptions in 194.93 seconds
and the traceback belo…