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MatMul doesn't have the expand method.
See https://stackoverflow.com/questions/34616170/how-to-expand-matrix-expression-in-sympy.
It also doesn't seem to be easy to replace matrix symbols with non…
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Hi all, I have found another slow down from version 0.7.2 to 1.0.0 still related to the doit method of the unevaluated sums. However, this is not related to the piecewise_fold method. On my machine it…
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Consider the code
import sympy as sp, hashlib, pickle, copy
from sympy.utilities.codegen import codegen
e1 = sp.symbols("x1")
e2 = copy.deepcopy(e1)
e3 = sp.Symbol(e1.name…
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Hi,
I'm trying to substitute variables in a Boolean expression but it raises a `TypeError`. I have this error both in 1.3 and 1.4 version of Sympy.
Thanks for your help!
Franck
```python
In…
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Imported from SourceForge on 2024-07-09 16:41:30
Created by **[*anonymous](https://sourceforge.net/u/*anonymous/)** on 2006-06-11 21:41:56
Original: https://sourceforge.net/p/maxima/bugs/945
---
\(%…
rtoy updated
2 months ago
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The purpose of `DatePeriod` and `DateTimePeriod` is to define the duration between two dates or instants, respectively. Intuitively, it makes sense to define addition of two periods: if there's time `…
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## Background information
### What version of Open MPI are you using? (e.g., v3.0.5, v4.0.2, git branch name and hash, etc.)
v4.0.3
### Describe how Open MPI was installed (e.g., from a sourc…
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## Describe the bug
Corpus-level meta data assigned with meta is lost when 2 corpus objects are merged together with the '+' operator.
## Reproducible code
Please paste minimal code that re…
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### Summary of Problem
Using a class instance with a `reduce` intent doesn't resolve. I think we need to make some adjustments in the reduction implementation.
**Description:**
```
$CHPL_HOME/…
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Let me preface this by saying that I am a complete beginner in logic programming, Python, Lisp and its variants, and especially Kanren, and I am impressed by miniKanren, microKanren, and this project.…