Description Usage Arguments Value Author(s)
Double constrained gravity model
1 2 | h_double_constrained_gravity(E, Si = 1, Sj = 1, beta, C, c, in_gammas,
in_g, out_gammas, out_g)
|
E |
a matrix of random values (to be "optimized" by the Hamiltonian) |
Si |
a vectory of node attributes, e.g. carrying capacity or population |
Sj |
a vectory of node attributes, e.g. carrying capacity or population |
beta |
lagrange multiplier |
C |
distance matrix |
c |
distance constraining cost of the system |
in_gammas |
lagrange multiplier vector |
in_g |
vector of inflows (rows) |
out_gammas |
lagrange multiplier vector |
out_g |
vector of outflows (columns) |
a scalar
Daniel Knitter <knitter@geographie.uni-kiel.de>
Joe Roe <jwg983@hum.ku.dk>
Ray Rivers <r.rivers@imperial.ac.uk>
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