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scanstatistics (version 1.1.1)

connected_to: Return those elements in the second set which are connected to those in the first.

Description

Return those elements in the second set \(Z_1\) which are connected to those in the first set \(Z_0\), according to the adjacency matrix.

Usage

connected_to(Z_0, Z_1, adjacency_matrix)

Value

A set, possibly empty, containing those locations in \(Z_1\)

that are connected to any of the locations in \(Z_0\).

Arguments

Z_0

A set of locations, given as integers.

Z_1

A set of locations, given as integers.

adjacency_matrix

A boolean matrix, with element \((i,j)\) set to TRUE if location \(j\) is adjacent to location \(i\).