Method for checking whether an eulerian path exists.
Description
An eulerian path is a path in a graph which visits every edge exactly once.
Usage
1  hasEulerianPath(graph, start = NULL)

Arguments
graph 
a 
start 

Details
If start
is NULL
, this function returns whether there exists any eulerian path in graph
. If start
is not NULL
, the function determines if there exists an eulerian path starting from start
.
Value
TRUE
, if there is an eulerian path. FALSE
, otherwise.
Author(s)
Ashis Saha
Examples
1 2 3 4 5 6 