%-------------------------------------------------------------------------------
% UF Sparse Matrix Collection, Tim Davis
% http://www.cise.ufl.edu/research/sparse/matrices/McRae/ecology1
% name: McRae/ecology1
% [circuitscape: circuit theory applied to animal/gene flow. B. McRae, UCSB]
% id: 1882
% date: 2008
% author: B. McRae
% ed: T. Davis
% fields: name title A id date author ed kind notes
% kind: 2D/3D problem
%-------------------------------------------------------------------------------
% notes:
% Landscape ecology problem, using electrical network theory to model 
% animal movement an gene flow.  The McRae/ecology1 matrix comes from 
% a 2D, 1000-by-1000 mesh (5 pt stencil).  It is an ill-conditioned   
% symmetric indefinite matrix.  Source: Brad McRae, National Center   
% for Ecological Analysis and Synthesis Santa Barbara, CA.            
%-------------------------------------------------------------------------------
