SKILL.md
Convergence
When to Use
Use this skill when working on convergence problems in real analysis.
Decision Tree
- Identify Sequence/Series Type
- Geometric series: |r| < 1 converges - p-series: p > 1 converges - Alternating series: check decreasing + limit 0
- Apply Convergence Tests
- Ratio test: sympycompute.py limit "a{n+1}/an" - Root test: sympycompute.py limit "a_n^(1/n)" - Comparison test: find bounding series
- Verify Bounds
- Use z3_solve.py prove for inequality bounds - Check monotonicity with derivatives
- Compute Sum (if convergent)
- sympycompute.py sum "an" --var n --from 0 --to oo
Tool Commands
Sympy_Limit
uv run python -m runtime.harness scripts/sympy_compute.py limit "a_n" --var n --at oo
Sympy_Sum
uv run python -m runtime.harness scripts/sympy_compute.py sum "1/n**2" --var n --from 1 --to oo
Z3_Prove
uv run python -m runtime.harness scripts/z3_solve.py prove "series_bounded"
Cognitive Tools Reference
See .claude/skills/math-mode/SKILL.md for full tool documentation.