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lect02, Wed 01/09
Interesting matrices
Reading Assignment
NCM Sections 2.1 through 2.6 (linear equations and Gaussian elimination).
Outline
Understanding Ax = b in the temperature problem.
Matrix and vector arithmetic in numpy.
Some interesting kinds of matrices:
- identity matrix
- singular and nonsingular
- permutation matrices (and permutation vectors)
- orthogonal matrices
- triangular matrices
- Gaussian elimination
- LU factorization
- Partial pivoting