AlgebraicMultigrid.jl:Julia的代数多重网格

代数多重网格（AMG） 该软件包可让您使用代数多重网格（AMG）解决稀疏线性系统。 这对于对称正定矩阵特别有效。 用法 using AlgebraicMultigrid A = poisson ( 1000 ) # Creates a sample symmetric positive definite sparse matrix ml = ruge_stuben (A) # Construct a Ruge-Stuben solver # Multilevel Solver # ----------------- # Operator Complexity: 1.9859906604402935 # Grid Complexity: 1.99 # No. of Levels: 8 # Coarse Solver: AMG.Pinv() # Level Unknowns