От: | Эйнсток Файр | Странный реагент | |
Дата: | 15.12.17 11:55 | ||
Оценка: |
In this crude form the iterations are relatively expensive. This can be mitigated by first bringing the matrix A to upper Hessenberg form (which costs 10/3*n^3 + O ( n^2 ) arithmetic operations using a technique based on Householder reduction)