%-------------------------------------------------------------------------------
% UF Sparse Matrix Collection, Tim Davis
% http://www.cise.ufl.edu/research/sparse/matrices/Janna/ML_Laplace
% name: Janna/ML_Laplace
% [2D Poisson problem, meshless local Petrov-Galerkin method]
% id: 2648
% date: 2012
% author: C. Janna, M. Ferronato, G. Pini
% ed: T. Davis
% fields: name title A id date author ed kind Zeros notes
% kind: structural problem
%-------------------------------------------------------------------------------
% notes:
% Authors: Carlo Janna, Massimiliano Ferronato, Giorgio Pini       
% Matrix type: Unsymmetric                                         
% # equations:       377,002                                       
% # non-zeroes:   27,689,972                                       
%                                                                  
% Problem description: Poisson problem                             
%                                                                  
% The matrix ML_Laplace has been obtained by discretizing a 2D     
% Poisson equation with a Meshless Local Petrov-Galerkin method.   
%                                                                  
% Further information can be found in the following papers:        
%                                                                  
% 1) G. Pini, A. Mazzia, and F. Sartoretto. Accurate MLPG solution 
% of 3D potential problems. CMES - Computer Modeling in Engineering
% & Sciences 36 (2008), pp. 43-64.                                 
%                                                                  
% 2) M. Ferronato, C. Janna and G. Pini. A generalized Block FSAI  
% preconditioner for unsymmetric indefinite matrices. Journal of   
% Computational and Applied Mathematics (2012), submitted.         
%-------------------------------------------------------------------------------
