max_eigs
Returns the maximum of
\[\left|\frac{Im(\lambda_i)}{Re(\lambda_i)}\frac{1}{\lambda_i}\right|\]
for a given array of eigenvalues eigs
.
Used as part of the computation of the H infinity norm
References
[1] Bruinsma, N. A., & Steinbuch, M. (1990). A fast algorithm to compute the H∞-norm of a transfer function matrix. Systems and Control Letters, 14(4), 287–293. https://doi.org/10.1016/0167-6911(90)90049-Z
- param eigs:
Array of eigenvalues.
- type eigs:
np.ndarray
- returns:
Maximum value of function.
- rtype:
complex