Physics 329: Linear Systems
Please report all errors/typos. etc to
matt@infeld.ph.utexas.edu
- Most of the source code covered in class can be found on
the phy329 account on einstein in
~phy329/linsys/ex1, ... (organized by lecture).
- General References
- Lecture 1 (Oct 2)
- dgesv.f:
LAPACK driver routine for solving general linear system via
LU decomposition with partial pivoting.
- tdgesv1.f: Test
program illustrating use of dgesv.
Makefile
and output on SGIs.
Output on Cray J90.
- Maple worksheet (PS)
which verifies above test.
- Lecture 2 and 3 (Oct 7 and 9)
- dgtsv.f:
LAPACK driver routine for solving general tridiagonal system with
no pivoting.
- bvp1d.f: Test
program illustrating use of dgtsv to solve a 1d
boundary-value problem using second-order finite-difference techniques.
Makefile
and sample output on SGIs.
Plots showing level-8
solution and
error for levels 5, 6 and
7.
- Lecture 4 (Oct 11)
- Lecture Notes:
Instructor version (PS) and
student version (PS).
- dgbsv.f:
LAPACK driver routine for solving general banded system via
LU decomposition with partial pivoting.
- bvp1d4.f: Test
program illustrating use of dgbsv to solve a 1d
boundary-value problem using mixed second and fourth order
finite-difference techniques.
Makefile
and sample output on SGIs.
Plots showing level-4
solution and
error for levels 4, 5 and
6.