learngraph

Learns a graph (g.A) as a function of the parameters (g.X). Can also add new parameters to g.X (with free) and you can specify how many connections each node should have (k), mainly used by gll

Arguments:

• g: a grap object
• free=0: add how many new free parameters to each feature vector
• k=4: the k used in the topK layer

Returns:

• g: the updated grap object