Frequently used generic (quick and dirty) programs
Description: This program computes the eigensystem (eigenvalues and eigenvector) of a time dependent matrix
/ A11 A12 A13 \
A = | A21 A22 A23 |
\ A31 A32 A33 /
This program ensures continuity of the sorted eigenvalues and eigenvectors.
Usage: python EigenSystem.py INPUT
## awk/Matrix-to-3Cols.awk
Description: This program converts a matrix written in matrix form into a 3
columns format (suitable for gnuplot plotting). If the matrix has M rows and
N columns, then the INPUT file is supossed to have M rows and N columns.
The OUPUT file will have M*(N+1) rows and 3 columns.
Usage: awk -f 'Matrix-to-3Cols.awk' INPUT > OUTPUT
## awk/TransposeMatrix.awk
Description: This program transposes rows and columns in a matrix. If the
INPUT file has M rows and N columns, then the OUTPUT file will have N
rows and M columns.
Usage: awk -f 'TransposeMatrix.awk' INPUT > OUTPUT