Add a list of new nodes to a graph.
[Go] = NL_G_AddEdges(G,X,Y,Na)
Graph.
X-coordinates of new nodes.
Y-coordinates of new nodes.
names of new nodes.
Output graph.
NL_G_AddNodes adds the set of N new nodes of name Na defined by their x-coordinates and y-coordinates
into the graph G. The output graph is stored in
.