The block preconditioned LSQR and GL-LSQR algorithms for the block partitioned matrices.
Saeed KarimiB. ZaliPublished in: Appl. Math. Comput. (2014)
Keyphrases
- row column
- data structure
- computational complexity
- computational cost
- learning algorithm
- neural network
- worst case
- optimization problems
- coefficient matrix
- iterative methods
- equal sized
- matrix multiplication
- computationally expensive
- orders of magnitude
- benchmark datasets
- times faster
- linear algebra
- theoretical analysis
- np hard