from
MatlabBGL
by David Gleich MatlabBGL provides robust and efficient graph algorithms for Matlab using native data structures.
n=num_vertices(A)
function n=num_vertices(A)
% NUM_VERTICES The number of vertices in a graph.
%
% n = num_vertices(A) returns the number of vertices in graph A.
%
% Example:
% A = sparse(ones(5));
% n = num_vertices(A);
%
% See also NUM_EDGES
% David Gleich
% Copyright, Stanford University, 2006-2008
n = size(A,1);
