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Class Syllabus

Python, Linear Algebra, and Statistics 101

Supervised Learning

Basic Machine Learning

  • Linear regression
    • Case study: Earthquake magnitude;
    • Case study: Gutenberg-Richter law and Omori’s law
  • Support Vector Machine
  • Decision Trees and Boosting
  • Model evaluation, Precision-Recall, ROC, AUC
  • Bias, variance, and regularization

Non-linear Optimization

  • Automatic Differentiation for calculating gradients of complex functions.
  • Gradient descent optimization; Quasi-Newton method (e.g., BFGS);
    • Case study: Earthquake location

Deep Learning

  • Neural network models
    • Convolutional Neural Network
    • Recurrent Neural Network
    • Transformer Model
    • Graph Neural Network
  • Classification problem
    • Case study: Earthquake detection
    • Case study: Earthquake/explosion discrimination
  • Regression problem
    • Case study: Ground motion prediction
  • Semantic segmentation problem
    • Case study: Seismic phase picking
  • Generative models
    • Case study: Synthesizing seismic waveforms

Unsupervised Learning

Dimensionality Reduction

  • PCA, ICA
  • Auto-encoder
    • Case study: Denoising of seismic waveforms

Clustering

  • K-Means
    • Case study: Earthquake swarm and background seismicity
  • Gaussiam Mixture Model
    • Case study: Earthquake phase association

Physics-constrained Learning

Physics-informed Neural Networks

Fourier Neural Operator

Inverse Problem

  • Well-determined, under-determined, and over-determined inverse problems

Baysesian Inference

  • Uncertainty Quantification
  • Markov Chain Monte Carlo (MCMC)
  • Variational Inference
    • Gaussian variational inference
    • Stein variational inference