Successively
normalizes a matrix, by rows, then by columns, and so on, till
stabilization.
Files involved:
P-normalize.php (this one),
Normalize.php,
normalize.py.
Draws plots of the determinants and other
matrix measures.
Computation structure — A PHP file
(this page: 'P-normalize.php') calls (via
'action=...') an intermediate PHP file ('Normalize.php'), which
(through $_POST) sends the problem data as command line arguments to
a Python script. This last does the computing, and makes
'system' call(s) to 'gnuplot', for the final (temporary) webpage.
Keywords: PHP,
command line arguments, Python script, gnuplot. |