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zhulei227/ML_Notes resource

机器学习算法的公式推导以及numpy实现 observed · 2026-08-28

github.com/zhulei227/ML_Notes · Jupyter Notebook observed · 2026-08-28

Health v2 · maintenance only

32/100

  • Activity 0
  • Release rhythm 35
  • Longevity 100

Flags: no_releases no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 2384
  • days_rel: n/a
  • days_push: 1219
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

2128 stars · 481 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A collection of Jupyter Notebook tutorials covering mainstream machine learning algorithms with mathematical formula derivations, problem analysis, and from-scratch implementations in numpy. Topics include linear models, SVM, decision trees, ensemble learning, and optimization methods like quasi-Newton algorithms.

Use cases

  • learn machine learning algorithm derivations from scratch
  • understand how SVM and SMO work mathematically
  • implement decision trees like ID3, C4.5, and CART in numpy
  • study boosting and ensemble learning internals
  • see numpy implementations of linear and logistic regression
  • learn quasi-Newton optimization methods like DFP and BFGS

When to choose

  • you want to deeply understand the math behind ML algorithms rather than just call sklearn
  • you prefer learning through runnable notebooks with derivations and code side by side
  • you are comfortable reading Chinese-language technical material

When to avoid

  • you need production-ready, well-tested ML libraries
  • you require English documentation
  • you need deep learning or modern transformer-based content

Facets

learning-resource · maturity maintenance

machine-learning math data-science machine-learning tutorials data-science python jupyter-notebooks numpy-implementations formula-derivations educational chinese-language svm decision-trees ensemble-learning algorithms

1 source

Member repositories

RepositoryRoleHealth v2
zhulei227/ML_Notesmain32

For agents

markdown · JSON · MCP: product_card(name="zhulei227/ML_Notes")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem