Question

利用matlab程序控制语句生成矩阵

Answer 1

diag([2 2 2 2 2],-1)+diag([2 2 2 2 2],1)+diag(ones(1,6))

Answer 2

for i = 1 : 6
for j = 1 : 6
if(i == j)
a(i, j) = 1;
end
if(i == j + 1 | j == i + 1);
a(i, j) = 2;
end
end
end