[action-translation] resync: two_auctions.md#156
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Pull request overview
This PR forward-resyncs the Chinese translation of lectures/two_auctions.md to match the upstream source document at commit 6e967af, correcting prior content and code discrepancies introduced in the target.
Changes:
- Fixes substantive content mismatches (e.g., correcting the surplus sign error and removing unsupported added claims).
- Resyncs code cells and simulation logic (including restoring the
evaluate_largestNaN safeguard and redrawing valuations before simulation). - Adds translation sync metadata and records resync state under
.translate/state/.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.
| File | Description |
|---|---|
| lectures/two_auctions.md | Resynced lecture content and code cells to upstream source; includes translation metadata updates. |
| .translate/state/two_auctions.md.yml | Adds resync state (source SHA, sync date, model, section count). |
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| # for plots | ||
| plt.rcParams.update({"text.usetex": True, 'font.size': 14}) | ||
| colors = plt.rcParams['axes.prop_cycle'].by_key()['color'] |
| # 删除第一行，因为我们假设第一行是获胜者的出价 | ||
| array_residual = array[1:, :].copy() |
| # 删除第一行，因为我们假设第一行是获胜者的出价 | ||
| array_residual = self.value_mat[1:, :].copy() |
| 我们发现，尽管存在小的差异，evaluate_largest方法运行良好。 | ||
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| 此外，如果我们进行大量拍卖，比如100万次，这种差异就会消失。 | ||
| 我们发现`evaluate_largest`方法运行良好 |
Re-applies Chinese code comments / print strings / plot labels that the resync reverted to English while the surrounding code is unchanged (action-translation#107 field validation, Track B wave). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
(action-translation#107 field validation, Track B wave.) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The resynced file keeps Chinese plot labels but reverted the import cell to the source's exact form, losing the Source Han Serif setup - Chinese in figures would render as missing glyphs. Residual #107 class found in the merge review; applied wave-wide. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
✅ Translation Quality ReviewVerdict: PASS | Model: claude-sonnet-5 | Date: 2026-07-19 📝 Translation Quality
Summary: This is a high-quality, comprehensive translation that accurately conveys the technical and mathematical content of the English source. Minor inconsistencies exist in terminology for 'bidder' (竞价者/竞标者/投标者) and slight redundancy in some code comments, but these do not impede comprehension. Formatting, structure, and MyST/Jupytext elements are well preserved throughout the resynced document. Mathematical equations and LaTeX are fully preserved and correctly rendered Code blocks maintain correct syntax and functional integrity while comments are thoughtfully localized Technical terms like 贝叶斯纳什均衡, 收入等价定理, 累积分布函数 are translated accurately and consistently with standard economics/statistics terminology The translation metadata block (translation/headings) is properly structured for section matching Suggestions:
🔍 Diff Quality
Summary: The resync correctly updates the target document's structure, content, and translation heading-map to match the current English source. This review was generated automatically by action-translation review mode. |
…anslation#116) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Upstream sets text.usetex=True with English plot labels; the resync faithfully kept usetex but translated the labels to Chinese (估值/出价/ 解析解/...), which are unwrapped and have no CJK LaTeX package loaded, so under usetex LaTeX raised 'Unicode character 估 (U+4F30)' and figure drawing failed. Main had no usetex here. Rather than wrap ~20 labels in a CJK environment, drop usetex to match the zh edition's font-manager convention (font.family=Source Han Serif already set above; simple math like $v_i$ renders via mathtext). The earlier green build used cached cell outputs, masking this until the cold rebuild. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Forward Resync: two_auctions.md
Source: QuantEcon/lecture-python.myst — lectures/two_auctions.md
Source commit:
6e967afThis PR resyncs the translation to match the current source document.
Reason: Several substantive discrepancies: (1) A sign error introduced in target: 'she gathers surplus value b - v_i > 0' vs source's correct 'v_i - b > 0'. (2) The evaluate_largest function implementation differs materially - source uses winning_auctions_mask/num_winning_auctions check returning np.nan when zero winning auctions, while target's version omits this check and uses different variable names/logic (index, array_conditional) without the nan safeguard - this is a code logic change, not just style. (3) The comparison text after evaluate_largest verification differs: source says 'We find that the evaluate_largest method functions well' while target adds extra unsupported claims 'We find that... functions well' plus 'this difference disappears if we run more auctions, e.g. 1 million times' - additional unverified claim not in source (target addition). (4) Target's bid_simulated computation drops the 'Redraw valuations' step (v = np.random.uniform...) present in source before simulating bid_simulated. (5) Minor renumbering '## Code summary' becomes '## 5 代码总结' with an added '5' number not in source. (6) A citation URL changed from https to http for Chekuri's lecture notes. These are content-level changes requiring re-translation/correction, and some constitute target additions not present in source.
Changes
Whole-file resync applied. The entire document was resynced in a single pass.
Created by action-translation forward resync