Description Usage Arguments Value Author(s)
Alonso gravity model
1 2 3 |
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 |
f |
a scalar giving the general systems constrained |
in_delta |
general node constraining value of inflows |
out_delta |
general node constraining value of outflows |
in_g |
vector of inflows (rows) |
in_s |
vector of inflows (rows) |
out_g |
vector of outflows (rows) |
out_s |
vector of outflows (rows) |
alpha |
lagrange multiplier |
x |
general node constraining value |
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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