Basic HTML version of Foils prepared 8 November 1995

Foil 37 Memory Use in Direct and Iterative Methods

From Fox Presentation Fall 1995 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. by Geoffrey C. Fox
One Dimension: Both Sparse and Direct Methods use memory of order G -- the matrix size
In two dimensions,
  • Direct Method: Space is of order G3
  • Sparse Method: Space is of order G2
In three dimensions,
  • Direct Method: Space is of order G5
  • Sparse Method: Space is of order G3

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