Materials
The preliminary versions of the lecture slides can be found below. The slides may still be updated during the course.
Recommended supplementary reading: J. Kaipio and E. Somersalo, Statistical and Computational Inverse Problems, Springer, 2005 (mainly Chapters 2 and 3), and D. Calvetti and E. Somersalo, Introduction to Bayesian Scientific Computing. Ten Lectures on Subjective Computing, Springer, 2007.
Fedruary 25
Practical issues, motivation, compact operators and singular value decomposition, Fredholm equation and its solvability.
March 1
Truncated singular value decomposition, pseudoinverse.
March 4
Morozov discrepancy principle, Tikhonov regularisation and its generalizations.
March 8
Regularization by truncated iterative methods: Landweber-Fridman iteration.
March 11
Regularization by truncated iterative methods: conjugate gradient method.
March 15
Conjugate gradient method (cont.), preliminaries of statistical inversion.
March 18
Preliminaries of statistical inversion (cont.), construction of likelihood.
March 22
Construction of likelihood (cont.), sampling, prior models.
March 25
Prior models (cont.), n-variate Gaussian densities.
March 29
Improper Gaussian priors, MCMC: Metropolis-Hastings algorithm.
April 1
Gibbs sampler, judging the quality of a sample.
April 5
Hyper models.