Incomplete hyperbolic Gram-Schmidt-based preconditioners for the solution of large indefinite least squares problems.
Qiaohua LiuFudao ZhangPublished in: J. Comput. Appl. Math. (2013)
Keyphrases
- least squares
- linear least squares
- linear systems
- optimization problems
- iterative methods
- linear equations
- approximate solutions
- exact solution
- efficient solutions
- solving problems
- efficient algorithms for solving
- multicriteria optimization
- policy evaluation
- optimal solution
- robust estimation
- edge preserving
- image restoration
- np complete
- multi objective