TY - BOOK AU - Barretto, Jerry T. TI - Metrics for perturbed transfer matrices in astigmatic imaging AV - CD-01564t PY - 2012/// CY - Quezon City PB - Ateneo de Manila University - Loyola Schools KW - TRANSFER MATRIX PERTURBATION KW - GEOMETRIC OPTICS KW - PSEUDOSPECTRA KW - ABSOLUTE ERROR KW - CONDITION NUMBER N1 - Doctor of Philosophy ER -