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mcMST (version 1.0.1)

mutSubgraphMST: Subgraph-mutator for edge list representation.

Description

mutSubgraphMST selects a random edge e = (u, v) and traverses the tree starting form u and v respectively until a connected subtree of at most sigma edges is selected. Then the subtree is replaced with the optimal spanning subtree regarding one of the objectives with equal probability.

Usage

mutSubgraphMST(ind, sigma = floor(ncol(ind)/2), instance = NULL)

Value

[matrix(2, m)] Mutated edge list.

Arguments

ind

[matrix(2, m)]
Matrix of edges (each column is one edge).

sigma

[integer()]
Upper bound for the size of the selected subtree.

instance

[mcGP]
Multi-objective graph problem.

See Also

Evolutionary multi-objective algorithm mcMSTEmoaBG

Other mcMST EMOA mutators: mutEdgeExchange, mutUniformPruefer