Question: how does mathematica determine the coefficient of the
- To: mathgroup at smc.vnet.net
- Subject: [mg84875] Question: how does mathematica determine the coefficient of the
- From: "gogoant06 at yahoo.com.hk" <gogoant06 at yahoo.com.hk>
- Date: Thu, 17 Jan 2008 07:00:30 -0500 (EST)
For an example:
Input:
test = {{1, 2}, {2, 1}};
Eigensystem[test]
Output:
{{3, -1}, {{1, 1}, {-1, 1}}}
Why aren't the eigenvectors be {-1,-1}, {1,-1}...?
Is there some rule for mathematica to choose out the eigenvectors?