a food chain wtih largest weights mean that the summation of weights for each link of the chain is the largest. Note: the longest food chain (with largest number of nodes) does not necessarily have the largest weight.
standard square graph matrix
the node that is evaluated.
return all candidate pathways and related weights
Youhua Chen <email@example.com>
Chen Y (2012) loop: an R package for performing decomposition of weighted directed graphs, food web analysis and flexible network plotting. Submitted.
1 2 3
#mat=matrix(c(0,5,3,7,0,5,0,8,0,4,3,8,0,1,6,7,0,1,0,2,0,4,6,2,0),5,5) #search for species 3 #largest.weight(mat,3)