id summary reporter owner description type status priority milestone component version resolution keywords cc 534 "Implementation of the ""Sums of Powers Algorithm"" for the efficient and reliable approximation of all polynomial roots as an alternative to the kernel function ""laguerre""" Herbert Möller somebody The ''Sums of Powers Algorithm'' (''SPA'') is the only efficient and reliable algorithm for the approximation of all polynomial roots. It was first published in my book !''Algorithmische Lineare Algebra!'', Verlag Vieweg, Wiesbaden 1997. The article !'' proposed feature closed major 3-2-0 and higher singular-kernel 3-1-6 wontfix SPA