Node neighbors are not supported for directed graphs. Use predecessors or successors instead

Node degree is not supported for directed graphs. Use indegree or outdegree instead

Adjacency matrix must be square

Direct editing of edges not supported. Use addedge or rmedge instead

Graph edge weights must be double or single, real, and not sparse

First variable in edge information table must be a 2-column numeric array or a 2-column cell array of character vectors

Weight must have as many elements as edge list or be a scalar

Not enough node names specified. Specify at least ... names

Edge list contains a name not present in the node names argument

Number of node names must match size of adjacency matrix