Given a matrix A
给定矩阵A.
A <- matrix(1:8, nrow=2)
A
[,1] [,2] [,3] [,4]
[1,] 1 3 5 7
[2,] 2 4 6 8
A <- matrix(1:8, nGiven a matrix A
给定矩阵A.
A <- matrix(1:8, nrow=2)
A
[,1] [,2] [,3] [,4]
[1,] 1 3 5 7
[2,] 2 4 6 8
A <- matrix(1:8, n