Lecture 6 of Numerical methods for large algebraic systems (wi4010)

• The following subjects are discussed:
  
  
  • superlinear convergence of the Conjugate Gradient method
  • Ritzmatrix, Ritzvalue, Ritzvector
  • preconditioning of CG
    
    
  Corresponding pages in the lecture notes: pages 34-37 and 39-40
  
  
• Historical remarks
  
  
• Exercises 2, 4, and 5 of page 38 can be made.
  
  
• Additional information