我有以下代码用于为网络生成邻接矩阵。 如何从此输出创建距离矩阵(可能是两跳矩阵)。
function adj = AdjMatrixLattice4( N, M )
% Size of adjacency matrix
MN = M*N;
adj = zeros(MN,MN);
for i=1:N
for j=1:N
A = M*(i-1)+j; %Node # for (i,j) node
if(j<N)
B = M*(i-1)+j+1; %Node # for node to the right
C = M*(i-1)+j+2;
D = M*(i-1)+j+2;
adj(A,B) = 1;
adj(B,A) = 1;
adj(A,C) = 1;
adj(C,A) = 1;
adj(A,D) = 1;
adj(D,A) = 1;
end
if(i<M)
B = M*i+j;
C = M*i+j+1; %Node # for node below
D = M*i+j;
adj(A,B) = 1;
adj(B,A) = 1;
adj(A,C) = 1;
adj(C,A) = 1;
adj(A,D) = 1;
adj(D,A) = 1;
end
end
end
end
以下程序的输出是
AdjMatrixLattice4(3,3)
ans =
0 1 1 1 1 0 0 0 0 0
1 0 1 1 1 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0
1 1 0 0 1 1 1 1 0 0
1 1 0 1 0 1 1 1 1 0
0 1 1 1 1 0 0 0 1 1
0 0 1 1 1 0 0 1 1 0
0 0 0 1 1 0 1 0 1 1
0 0 0 0 1 1 1 1 0 0
0 0 0 0 0 1 0 1 0 0