Library: | math |
Quantlet: | eisrs | |
Description: | Computes the eigenvalues and eigenvectors of a real symmetric square matrix |
Usage: | {w, z} = eisrs(a) | |
Input: | ||
a | n x n matrix | |
Output: | ||
w | n x 1 vector of eigenvalues | |
z | n x n matrix of eigenvectors |
library("math") y1 = #(1, -1, 0) y2 = #(-1, 2, -1) y3 = #(0, -1, 1) a = y1~y2~y3 {w, z} = eisrs(a) w z
Contents of w [1,] -2.5653e-16 [2,] 1 [3,] 3 Contents of z [1,] 0.57735 0.70711 0.40825 [2,] 0.57735 -2.8623e-16 -0.8165 [3,] 0.57735 -0.70711 0.40825
Library: | math |