Last data update: 2014.03.03
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R: Return an adjacency matrix for a square lattice.
adjacency.matrix | R Documentation |
Return an adjacency matrix for a square lattice.
Description
Return an adjacency matrix for a square lattice.
Usage
adjacency.matrix(m, n = NULL)
Arguments
m |
the number of rows in the lattice.
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n |
the number of columns in the lattice. Defaults to NULL . If missing, the lattice is assumed to be m by m .
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Details
This function builds the adjacency matrix for the m by n square lattice.
Value
A matrix A of 0s and 1s, where A_{ij} is equal to 1 iff vertices i and j are adjacent.
Results
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