Convergence of numerical methods 4 Iterative methods 4 Linear systems 4 Matrix algebra 4 Algorithms 2 Heuristic methods 2 Incomplete projections 2 Inconsistent system 2 Least squares approximations 2 Linear equalities 2 Optimization 2 Parallel algorithms 2 Parallel iterative methods 2 Partial differential equations 2 Problem solving 2 Projected Aggregation Methods 2 Projected Aggregation Methods (PAM) 2 Projected aggregate methods 2 Projected aggregate methods (PAM) 2 Quadratic programming 2 Row partition strategies 2 Vectors 2