sympy__sympy-12481
Based on my knowledge of the sympy codebase and the issue description, I can create the patch. The issue is in the sympy/combinatorics/permutations.py file where the Permutation class constructor (__new__ method) validates cycles and…
- Skills
- AI research
- 2
What it does and how to use it
A skill that teaches Claude Code to do ai research tasks well. It is packaged knowledge the model uses whenever it is relevant.
- Install the skill (command above).
- In Claude Code, describe what you need - the skill turns on by itself when the context fits.
- No commands to memorize: you talk in plain language and the skill does the rest.
Install (Claude Code)
mkdir -p .claude/skills/sympy-sympy-12481 && curl -fsSL https://doutorai.pt/data/lib/skills__sympy-sympy-12481.md -o .claude/skills/sympy-sympy-12481/SKILL.mdPaste this command into the terminal, in your project folder, and the component installs automatically.
Content
Based on my knowledge of the sympy codebase and the issue description, I can create the patch. The issue is in the `sympy/combinatorics/permutations.py` file where the `Permutation` class constructor (`__new__` method) validates cycles and raises a `ValueError` when cycles are non-disjoint.
The fix needs to:
1. Remove the check that raises `ValueError` for non-disjoint cycles
2. Instead, apply the cycles in left-to-right order to compute the resulting permutation
Here is the patch:
--- a/sympy/combinatorics/permutations.py
+++ b/sympy/combinatorics/permutations.py
@@ -895,12 +895,8 @@ class
- 🔒 Full content on the Pro plan (€7.99/month) -Need help with Claude Code?
Ask Dr AI - it explains things simply.
Need a tailor-made solution?
Not sure where to start with AI in your business? Get a free assessment and a tailored plan - no commitment.
Save hours every week with AI, no hassle
Doutor AI gives you 1,859 ready-to-copy AI prompts, by industry and in plain English - plus a complete technical library for those who want to go further.