Wiki Log

按时间顺序记录所有 wiki 操作。Append-only。 格式：## [YYYY-MM-DD] action | subject

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[2026-04-14] init | Wiki initialized

• Domain: 线性代数（基于 LADR 4th Edition, Sheldon Axler）
• Structure created: SCHEMA.md, index.md, log.md
• Concepts: 向量空间、线性映射、特征值、内积空间、算子理论、谱定理、SVD、若当型、行列式

[2026-04-14] audit | Existing vault analysis

• Total notes: 54 .md files
• Wikilinks: 615 total, 0 genuinely broken (1 Obsidian alias, 0 heading anchors)
• Orphan pages: 1 (1B 向量空间.md — empty root-level duplicate)
• Duplicate section files: 4 pairs found
  • 5A: 不变子空间.md vs 不变子空间、特征值和特征向量.md
  • 6C: 正交补与正交投影.md vs 正交补和正交投影.md
  • 8D: Jordan标准型.md vs 联系矩阵与算子的桥梁——迹.md
  • 9B: 交错多重线性型.md vs 行列式与特征值.md

[2026-04-14] create | Wiki layer initialized

• Created: concepts/vector-space.md, concepts/linear-map.md, concepts/eigenvalue.md
• Created: concepts/operator.md, concepts/inner-product-space.md, concepts/determinant.md
• Created: theorems/rank-nullity-theorem.md, theorems/spectral-theorem.md
• Created: theorems/svd-theorem.md, theorems/jordan-form-theorem.md
• Created: _archive/ (empty, for future archiving)

[2026-04-14] create | Filled missing concept pages from vault notes

• Filled: concepts/matrix.md (from 3C 矩阵.md)
• Filled: concepts/gram-schmidt.md (from 6B 规范正交基.md)
• Filled: concepts/diagonalization.md (from 5D 可对角化算子.md)
• Filled: concepts/linear-independence.md (from 2A 张成空间和线性无关性.md)
• Filled: concepts/basis-and-dimension.md (from 2B 基.md)
• Filled: concepts/subspace.md (from 1C 子空间.md)
• Filled: concepts/tensor-product.md (from 9D 张量积.md)
• Filled: concepts/span.md (from 2A 张成空间和线性无关性.md)
• Fixed SCHEMA.md placeholder wikilinks in documentation examples

[2026-04-14] lint | Wiki wikilinks verified

• Total broken wikilinks in Wiki layer: 0
• Wiki layer now has 14 concepts + 4 theorems = 18 pages

[2026-04-14] enrich | Wiki pages fully expanded from vault chapter summaries

• All 14 concept pages: vector-space, subspace, span, linear-independence, basis-and-dimension, linear-map, matrix, operator, eigenvalue, diagonalization, inner-product-space, gram-schmidt, determinant, tensor-product
• All 4 theorem pages: rank-nullity-theorem, spectral-theorem, svd-theorem, jordan-form-theorem
• Content sourced from vault chapter summaries (9 files, ~200KB total)
• Average word count per page: ~250-350 words (up from ~130-200)