Task #$4$

a$)$ Determine whether the graph shown has directed or undirected edges, whether it has multiple edges, and whether it has one or more loops.

b$)$ Draw the directed graph of this incidence matrix.

$B=([1,1,0,0,0,0,0],[-1,0,-1,-1,1,0,0],[0,-1,1,0,0,0,1],[0,0,0,1,0,-1,-1],[0,0,0,0,-1,1,0]).$