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We should have a list of publications that are formalized in the library. This would be good for exposition, would give new readers some pointers for what to read in the library, and would allow us to…
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A top-level recursive call, i.e. `(?R)` or `(?0)`, only uses the first alternative, and ignores all subsequent ones.
As a simple example, `a(?R)|z` will only match `z`, but it is supposed to be abl…
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I came across a discrepancy between the `tskit` classification of tree topologies and the Kingman coalescent. If genealogies are rooted, bifurcating trees with nodes ordered in time, then there are 18…
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pow and tetration are 'boring' for reaching higher layers in the sense that they just count up layers one at a time past a certain point - everything devolves into min, max, cmp, succ and add operatio…
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This exercise idea is based on a story from my current work place: My boss'es Ubuntu had a bug that made his printer, when asked to print *N* copies of something, instead print *N²* copies. So for our…
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The prime factorization performed by `factorint` does not cache results. This leads to performance degradation when factorizing the same natural numbers multiple times. However, the amount of data to …
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@lloyddewit perhaps an example for the new script window!?
Happy numbers are fun! They are defined using sums of squares, but in a rather curious way. They are the sums of squares of the digits i…
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As a follow up to #12244 I had fun adding a function to calculate `log(ive)`.
@ev-br mentioned this is already done in [_hyp0f1.pxd#L51](https://github.com/scipy/scipy/blob/master/scipy/special/_hy…
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**Bug Report**
For some reason `ctypes.Structure` instances pass mypy's `isinstance` checks although mypy also claims that they are not iterable.
For example, consider the following code:
…
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# CWL restrictions
In this [Biostars question](https://www.biostars.org/p/251202/), we started discussing an extension of the CWL specification (inspired by [CTD](https://github.com/common-workflow…