High-performance direct algorithms for computing the sign function of triangular matrices.
Vadim StotlandOded SchwartzSivan ToledoPublished in: Numer. Linear Algebra Appl. (2018)
Keyphrases
- significant improvement
- orders of magnitude
- computational complexity
- matrix multiplication
- optimization problems
- data mining techniques
- theoretical analysis
- computational efficiency
- perturbation theory
- data sets
- sparse matrices
- graph theory
- recently developed
- times faster
- computationally efficient
- least squares
- computational cost
- image processing