{"adoption": {"forks": 1080, "observed_at": "2026-08-28T04:08:40.456685+00:00", "stars": 4252}, "canonical_url": "https://ross.abutalabs.com/products/notes-linear-algebra", "card": {"archived": false, "artifact_type": "learning-resource", "description": "线性代数笔记", "domain": ["mathematics", "education", "tutorials"], "enriched": true, "function": ["documentation", "data-visualization"], "health_score": 20, "homepage": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true", "language": "Jupyter Notebook", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["zlotus/notes-linear-algebra"], "name": "zlotus/notes-linear-algebra", "platform": ["python", "cross-platform"], "pushed_at": "2023-09-17T01:57:01+00:00", "repo": "zlotus/notes-linear-algebra", "stars": 4252, "tags": ["linear-algebra", "jupyter-notebook", "mit-opencourseware", "study-notes", "chinese-language"], "topics": [], "urls": [], "use_cases": ["learn linear algebra from MIT 18.06 lectures", "study notes for matrix elimination and LU decomposition", "understand eigenvalues and eigenvectors with worked notes", "review singular value decomposition and pseudoinverse concepts", "supplement a university linear algebra course with Chinese-language notes"], "what_it_is": "A set of Jupyter Notebook study notes covering MIT OpenCourseWare's Linear Algebra course (Gilbert Strang), written in Chinese. The notes span 35 lectures from systems of equations and matrix elimination through eigenvalues, SVD, and the pseudoinverse.", "when_to_avoid": ["you need an interactive problem-solving or grading tool", "you need a software library for linear algebra computation", "you require English-only learning materials"], "when_to_choose": ["you are studying MIT 18.06 linear algebra and want structured notes", "you prefer Chinese-language explanations of linear algebra", "you want notes viewable in Jupyter Notebook or nbviewer format"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/notes-linear-algebra", "repo": "zlotus/notes-linear-algebra", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:40.456685+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:22:10.898840+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "55d20a58b3c0f45da206aa198129ac79d7b146e87925401ad1ae220b6f186146", "fetched_at": "2026-08-29T09:11:53.964908+00:00", "kind": "homepage", "missing": false, "url": "http://nbviewer.jupyter.org/github/zlotus/notes-linear-algebra/blob/master/ReadMe.ipynb?flush_cache=true"}, {"content_hash": "f62b276c6d7d677221d8a0b7b798b09504f03f75c4915f33f17323c00dc4cbfe", "fetched_at": "2026-08-29T09:11:53.974267+00:00", "kind": "site_page", "missing": false, "url": "https://nbviewer.org/faq"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases", "no_license", "no_readme"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3768, "days_push": 1082, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}