BUILT-IN MATHEMATICA SYMBOL

EdgeIndex

EdgeIndex[g, e]
gives the integer index for the edge e in the graph g.

Details Details

EdgeIndex gives the ordering used in functions such as EdgeList and IncidenceMatrix.
EdgeIndex[g, e] gives the position for an edge e in EdgeList[g].
EdgeIndex[g, e] gives the column position for an edge e in IncidenceMatrix[g].

Find the integer index of an edge:

Out[1]=

Out[2]=

The index corresponds to the position in the edge list:

Out[3]=

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