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I feel like we shouldn't have to do an explicit ring change to do this. Plus we get (somewhat) different failures for dense versus sparse matrices:
```
sage: m = matrix([[1,2]])
sage: m2 = matrix(Q…
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The patch calls TestSuite().run() every time load(dumps()) was called in the matrix directory. I also renamed and adapted an existing _test_pickle() into _test_reduce().
CC: @kcrisman @nthiery @…
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Hi
i am trying to do a gsa for my problem where the varying parameters are control tuning parameters and each evaluation results from a closed loop simulation.
I first started by latin hypercube …
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We rewrite the input data for `LazyLaurentSeries` to use a `Stream` that has both a dense version similar to a `lazy_list` and a sparse version using a `dict`. We use various subclasses to build an …
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and the same for QQ of course.
This fixes a bug with `Hom` where the meet computed is a join category, in which case `X` is not a subclass of `category.parent_class`. This causes problems with the …
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Computes to any required p-adic precision the characteristic series of the
Atkin U_p operator on the space of p-adic overconvergent modular forms of
given weight k and level N.
**Apply**:
1. [attac…
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it calls LDLDecomposition, a function to decompose symmetric p.s.d. matrices.
Instead it should call a slightly different function, for Hermitean p.s.d. matrices (which are not symmetric, but
equal …
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As reported on sage-devel [1], `Element` implements its hash based on its string representation. This causes a lot of troubles
- it breaks the `equality => same hash` assumption for finitely presen…
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The new aim of this ticket is to add an interface to the [letterplace](http://www.singular.uni-kl.de/Manual/latest/sing_427.htm#SEC480) component of Singular, that actually goes beyond what Singular…
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Creating a free module morphism with a matrix and without specifying its codomain, currently creates a codomain spanned by row of the matrix.
This causes a problem when creating a vector-space hom…