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Pull request overview
This PR forward-resyncs the Chinese translation of lectures/os.md to match the latest upstream source lecture, including restoring missing content and aligning key formulas.
Changes:
- Adds translation frontmatter metadata (title + heading mappings) for
os.md. - Resyncs narrative and math content to upstream, including corrected optimal-policy formulas and added explanatory notes.
- Restores the missing exercise
cep_ex2and its full solution/derivation.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| lectures/os.md | Full-document resync to upstream source, including restored exercise solution and corrected formulas/notes. |
| .translate/state/os.md.yml | Adds resync state metadata (source SHA, sync date, model/mode). |
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| x_{t+1} = x_t - c_t | ||
| \quad \text{and} \quad | ||
| 0\leq c_t\leq x_t |
✅ Translation Quality ReviewVerdict: PASS | Model: claude-sonnet-5 | Date: 2026-07-19 📝 Translation Quality
Summary: This is a high-quality translation that accurately conveys the technical and mathematical content of the source document. Terminology is consistent with the glossary, formatting is well-preserved, and the prose reads naturally in academic Chinese. The main issues are minor: two external reference links (Gateaux derivative and Envelope Theorem) were changed from Wikipedia to Chinese-language sources of lower authority, which could be reconsidered, and one sentence has slightly redundant phrasing that could be smoothed further. Excellent handling of complex mathematical derivations and LaTeX formatting, all equations preserved correctly Consistent and accurate use of established terminology (贝尔曼方程, 欧拉方程, 状态变量, 控制变量, etc.) matching the glossary Natural and fluent academic Chinese register throughout, especially in the intuitive explanations of trade-offs and consumption smoothing Code blocks and cross-references (e.g., {eq}, {doc}, {cite}) are all correctly preserved Suggestions:
🔍 Diff Quality
Summary: The resync correctly re-aligned the target document to match the source structure, with appropriate translation metadata added and content properly repositioned. This review was generated automatically by action-translation review mode. |
…anslation#116) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Forward Resync: os.md
Source: QuantEcon/lecture-python.myst — lectures/os.md
Source commit:
b27f1ebThis PR resyncs the translation to match the current source document.
Reason: Several substantive differences exist: (1) The 'Intuition' section's two numbered points and the note about IES (intertemporal elasticity of substitution) formality are removed/altered in TARGET, replaced with different reasoning about marginal utility decay; (2) In the 'Optimal policy' section, TARGET uses v(x-c) instead of v*(x-c) in the argmax formulas, which is a formula difference from SOURCE; (3) Most critically, the solution for exercise cep_ex2 (verifying the Euler equation for the optimal policy) is entirely missing from TARGET, whereas SOURCE contains a full derivation and proof for it.
Changes
Whole-file resync applied. The entire document was resynced in a single pass.
Created by action-translation forward resync