THis function make and plot a random network with N nodes

input

N: number of nodes

r: radius of adjacency

s = [s1 s2] is the coordinates of the rectangular

in which the nodes are spread

output

adj_mat: adjacency matrix

Lap_mat: Laplacian matrix

npos: Location of the nodes

-　THis function make and plot a random network with N nodes

　input

　　　　　　N: number of nodes

　　　　　　r: radius of adjacency

　　　　　　s = [s1 s2] is the coordinates of the rectangular

　　　　　　　　in which the nodes are spread

　output

　　　　　　adj_mat: adjacency matrix

　　　　　　Lap_mat: Laplacian matrix

　　　　　　npos: Location of the nodes