Stationary solutions 10 Partial differential equations 8 Algorithms 4 Boundary value problems 4 Complexity 4 Computational complexity 4 Conditioning 4 Diffusion 4 Homotopy algorithms 4 Mathematical models 4 Matrix algebra 4 Polynomial system solving 4 Polynomials 4 Semi linear parabolic problems 4 Semi-linear parabolic problems 4 Set theory 4 COMPLEJIDAD ALGORITMICA 3 COMPLEXITY 3 CONDICION DE BORDE DE TIPO NEUMANN 3 CONDITION NUMBER 3 CONTINUACION HOMOTOPICA 3 DIFERENCIAS FINITAS 3 FINITE DIFFERENCES 3 HOMOTOPY CONTINUATION 3 NEUMANN BOUNDARY CONDITION 3 NONLINEAR SYSTEM SOLVING 3 NUMERO DE CONDICION 3 PROBLEMAS DE FRONTERA 3 RESOLUCION DE SISTEMAS NO LINEALES 3 SOLUCIONES ESTACIONARIAS 3