n=7
Eigenvalue Decomposition A=V*D*V^T
calculating first 1 eigenvalues
Random matrix A:
     0.249      0.111      0.467      0.772      0.658      0.433      0.354 
     0.111      0.944      0.101      0.642     0.0286      0.248       0.32 
     0.467      0.101       0.99      0.682      0.655      0.283      0.615 
     0.772      0.642      0.682      0.704      0.702       0.95     0.0934 
     0.658     0.0286      0.655      0.702      0.161      0.382      0.798 
     0.433      0.248      0.283       0.95      0.382      0.169      0.794 
     0.354       0.32      0.615     0.0934      0.798      0.794      0.307 
rotations:114
V^T*A*V : 1 rows should be zeroed
     -1.14  -7.23e-09  -1.87e-09  -6.51e-09  -1.75e-09  -3.05e-16  -3.37e-09 
 -7.23e-09       1.04      0.249      0.552      0.172      0.519      0.254 
 -1.87e-09      0.249        1.3      0.648      0.873       0.58      0.539 
 -6.51e-09      0.552      0.648       1.13      0.675      0.693      0.393 
 -1.75e-09      0.172      0.873      0.675      0.255       0.43      0.742 
 -1.11e-16      0.519       0.58      0.693       0.43      0.368      0.559 
 -3.37e-09      0.254      0.539      0.393      0.742      0.559      0.572 
First 1 eigenvalues should qual the diagonal elements above):
-1.140