Fast Numerical Algorithms for Large-Scale Problems

DN2230 - Autumn Term 2013

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 DN2230

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Preliminary schedule - DN2230

Beware of typos in the schedule. The correct times, dates and locations of the lectures (except for Lec4) are given in the official KTH-schedule.

This page will be updated during the course.

Schedule

Week 45
Welcome to this course.

Topic during this week: Basic multigrid
 
Lec1 2013-11-05
kl 08-10
D32
  • Introduction to the course
  • Basic idea with multigrid, model problem
  • Splitting methods: the Jacobi method, the damped Jacobi method
Lec2 2013-11-08
kl 13-15
E33
Basic multigrid (Chapter 2 in Trottenberg)
  • Damping / smoothing of damped Jacobi method
  • Two-grid method
  • Intro to V-cycle
 
Week 46
Topic: Multigrid - analysis and complexity


Homework 1 is due this week (Lecture 4).
 
Lec3 2013-11-12
kl 10-12
Q13
  • Multigrid W-cycle
  • Visualization of multigrid variants
  • Full multigrid
  • Computational complexity of multigrid
Lec4 2013-11-15
kl 13-14
K53
2013-11-15
kl 10-12
Seminar
room 3418
in math.
building
  • Computational complexity of multigrid (cont.)
  • Convergence of multigrid and full multigrid
Note that the time and place of this
lecture has changed. The seminar room
3418 is located in the "old
mathematics library", on floor 4 in the
math building Lindstedtsvägen 25.
 
Week 47
Topic: Eigenvalue problems
 
Lec5 2013-11-19
kl 10-12
D42
  • Intro to eigenvalue problems
  • Overview of applications
  • Simple eigenvalue methods and tools
Lec6 2013-11-21
kl 13-15
L44
QR-method (for dense eigenvalue problems)
 
Week 48
Topic: Eigenvalue problems
Topic: Linear systems

Homework 2 is due this week (Lecture 8).
 
Lec7 2013-11-26
kl 10-12
B23
  • Convergence of QR-method
  • QR-method (with shifts)
Lec8 2013-11-29
kl 10-12
Vsem
  • Arnoldi method
  • Krylov methods for eigenvalue problems
 
Week 49
Main topic: Iterative methods for linear systems


 
Lec9 2013-12-03
kl 10-12
D42
  • Convergence of Arnoldi's method for eigenproblems
  • Iterative methods for linear systems: GMRES and other Krylov methods
Lec10 2013-12-06
kl 13-15
E36
  • Other Krylov methods (cont.)
  • Conjugate Gradient
 
Week 50
Topic: Multipole method

Homework 3 is due this week (Lecture 12).
 
Lec11 2013-12-10
kl 08-10
D42
Convergence of CG:
  • Orthogonality
  • Optimality
  • Convergence rate
Lec12  2013-12-13
kl 13-15
L43
Fast multipole method
 
 
Week 3, 2014
Ten 2014-01-14
kl 9-13
E51
Exam