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midpoint() fails to end for some geodesic with finite length
example:
```
sage: g=HyperbolicPlane().UHP().get_geodesic(2*I,2*I+1)
sage: g.midpoint()'
...
RuntimeError: maximum recursion depth exce…
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If I am not mistaken, we still depend on ncpol2sdpa to generate problems with arbitrary substitution rules. I guess that the final goal will be to remove this dependence completely, mainly for speed …
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In several recent papers, David Roe, Tristan Vaccon and I explain that lattices allow a sharp track of precision: if f is a function we want to evaluate and x is an input given with some uncertainty…
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This patch adds a tutorial about Lie Methods and Related Combinatorics to Sage.
A copy of the html documentation built with dvipng may be found at:
http://match.stanford.edu/bump/thematic_tutorial…
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It was suggested that my patch for #7797 be split into several parts.
The first part shall be about ideals in non-commutative rings. Aim, for example:
```
sage: A = SteenrodAlgebra(2)
sage: A*[A.0…
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In #11547, we added copying of several needed dlls on Cygwin. However, in the meantime NTL had a fairly major update (#5731).
From version 5.5, NTL provides a new build system using libtool (altho…
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is a useful function
https://msdn.microsoft.com/en-us/library/bb509618(VS.85).aspx
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## Question
Hello everyone,
I'm currently trying to precondition a 3x3 block system stemming from fluid-structure-interaction with MueLu. Sadly I'm running into an issue during the uncoupled aggre…
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I was trying to install Macaulay2 by using homebrew but I keep getting the error:
`The Homebrew tap Macaulay2/tap/fflas-ffpack prevents Sage from building https://github.com/Macaulay2/homebrew-tap/…
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If a line contains `tol` or `tolerance`, numerical results are only
verified to the given tolerance. This may be prefixed by `abs[olute]` or `rel[ative]` to specify whether to measure absolute or r…