ZHANG, Ruda November 04, 2022:  More on sensitivity, condition number. Minor edits. [d5f6d1e]
ZHANG, Ruda June 14, 2022:  Minor edits; more on SVD, normal matrix, unitary matrix. [31e71f8]
ZHANG, Ruda June 04, 2022:  Add left/right inverse, matrix exponential, condition number, Frechet derivative, inverse. [667167e]
ZHANG, Ruda April 09, 2022:  Correct text. [25ce79a]
ZHANG, Ruda January 14, 2022:  Intuition on matrix factorization; add pseudoinverse; correct math. [bc88491]
ZHANG, Ruda December 03, 2021:  Add fast updates (e.g. rank-one) in numerical linear algebra; correct math. [15aaa31]
ZHANG, Ruda July 20, 2021:  More on matrix decompositions. [621fd2b]
ZHANG, Ruda April 18, 2021:  More on distances between probability measures; cost of QR. [5ac0164]
ZHANG, Ruda April 09, 2021:  Matrix inverse formulas; computational complexity of common matrix computations. [d47476d]
ZHANG, Ruda February 25, 2021:  More on singular value decomposition. [8deee9b]
ZHANG, Ruda February 04, 2021:  More on spectral decomposition theorems. [9009e0e]
ZHANG, Ruda August 28, 2020:  More on MCMC, RATTLE scheme; linear solvers. [03755a1]
ZHANG, Ruda June 12, 2020:  More on numerical analysis: Newton's method. [a6c383b]
ZHANG, Ruda May 23, 2020:  More on optimization, Lipschitz continuity, gradient dominance, interior-point method. [d94df10]
ZHANG, Ruda May 14, 2020:  More on numerical analysis: conditional gradient, projected gradient. [4cacbc3]
ZHANG, Ruda May 02, 2020:  More on numerical analysis: Newton method; quasi-Newton methods; optimization; reference books. [67cbfe5]
Ruda Zhang March 21, 2017:  Add quasi-newton methods [951ceba]
Ruda Zhang March 09, 2017:  Add notes on fitting. [647ee47]
Ruda Zhang March 09, 2017:  Link notes on interpolation [0455f48]
Ruda Zhang February 18, 2017:  GRASS commands; JOSM negative ID issue. [8ca9615]
Ruda Zhang September 11, 2016:  Completing linear regression model fitting and selection [2f04893]
Ruda Zhang June 26, 2016:  add category tag to wiki pages [a9b356c]
Ruda Zhang June 26, 2016:  use canonical filename and no internal H1 [eeca8ff]