重復矩陣
語法
B = repmat(A,n)
B = repmat(A,r1,...,rN)
B = repmat(A,r)
將A的內(nèi)容崇裁,放在m*n的矩陣中
例子
A = repmat(10,3,2)
A = 3×2
10 10
10 10
10 10
A = diag([100 200 300])
A = 3×3
100 0 0
0 200 0
0 0 300
B = repmat(A,2)
B = 6×6
100 0 0 100 0 0
0 200 0 0 200 0
0 0 300 0 0 300
100 0 0 100 0 0
0 200 0 0 200 0
0 0 300 0 0 300
A = diag([100 200 300])
A = 3×3
100 0 0
0 200 0
0 0 300
B = repmat(A,2,3)
B = 6×9
100 0 0 100 0 0 100 0 0
0 200 0 0 200 0 0 200 0
0 0 300 0 0 300 0 0 300
100 0 0 100 0 0 100 0 0
0 200 0 0 200 0 0 200 0
0 0 300 0 0 300 0 0 300