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lect10

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lect10, Wed 02/13

Eigenvalues, eigenvectors, graphs, and matrices

• Lecture Files

Reading assignment

For next week, read NCM Sections 7.1 through 7.4 (ODEs).

References for today’s lecture

NCM Sections 10.1, 10.2, and 10.5, and “The $25,000,000,000 Eigenvector”.

Outline

• Graphs and matrices

• PageRank

• numpy/scipy routines

  • np.load()
  • np.save()
  • np.count_nonzero()
  • np.ones()
  • np.sum()
  • np.sort()
  • np.argsort()
  • linalg.eig()
  • sparse.eigs()