sympy__sympy-13647
The issue is in the _eval_col_insert method in sympy/matrices/common.py. Looking at similar issues and the sympy codebase structure, the bug is that when calculating indices for the entries after the insertion point, the code incorrectly…
- Skills
- AI research
- 0
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-13647 && curl -fsSL https://doutorai.pt/data/lib/skills__sympy-sympy-13647.md -o .claude/skills/sympy-sympy-13647/SKILL.mdPaste this command into the terminal, in your project folder, and the component installs automatically.
Content
Based on the problem statement and hint, I can understand the issue:
1. The `col_insert` method inserts columns into a matrix
2. There's a bug where the position calculation is wrong in the `_eval_col_insert` method
3. According to the hint, `pos` shouldn't be at line 89
Looking at the GitHub issue and the problem description:
- When inserting columns at position 3 in a 6x6 identity matrix, the resulting matrix incorrectly shifts part of the original matrix
- The 3x3 identity portion that should be at the bottom-right is incorrectly placed at the top-right
The issue is in the `_eval_col_ins
- 🔒 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.