Library: | xplore |
See also: | svd eigsm sum |
Quantlet: | rankm | |
Description: | Computes the rank r of a matrix x. |
Usage: | r = rankm(x) | |
Input: | ||
x | n x d matrix, | |
Output: | ||
r | integer, the rank of the matrix |
library("xplore") x =(1~0~0)|(0~2~0)|(0~0~3)|(0~0~4) rankm(x)
Contents of r [1,] 3