Iterative methods (Mathematics) Numerical solutions 4 Equations 3 Linear systems 3 Polynomials 2 Analytic functions 1 Combinatorial optimization 1 Differential equations, Partial 1 Equations, Simultaneous 1 Error-correcting codes (Information theory) 1 Fixed point theory 1 Hilbert space 1 Mappings (Mathematics) 1 Matrices 1 Queuing theory 1 Signal processing 1 Sparse matrices 1 Symmetric operators 1