[igraph] get an edge id knowing the extremities

[Emile Richard]

 

Hi,

 

I’d like to know a quick (native if it exists) to get the id of an edge knowing the id of the 2 vertices it connects.

Using the edgelist had my program turn very slowly, I’d like to know if there is a better way to do it.

 

Many thanks,

 

 

Emile Richard

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