diff options
Diffstat (limited to 'lib/matrix')
| -rw-r--r-- | lib/matrix/eigenvalue_decomposition.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/matrix/eigenvalue_decomposition.rb b/lib/matrix/eigenvalue_decomposition.rb index ab5888ff37..1949406687 100644 --- a/lib/matrix/eigenvalue_decomposition.rb +++ b/lib/matrix/eigenvalue_decomposition.rb @@ -84,14 +84,14 @@ class Matrix private def build_eigenvectors # JAMA stores complex eigenvectors in a strange way - # See http://cio.nist.gov/esd/emaildir/lists/jama/msg01021.html + # See http://web.archive.org/web/20111016032731/http://cio.nist.gov/esd/emaildir/lists/jama/msg01021.html @e.each_with_index.map do |imag, i| if imag == 0 Array.new(@size){|j| @v[j][i]} elsif imag > 0 Array.new(@size){|j| Complex(@v[j][i], @v[j][i+1])} else - Array.new(@size){|j| Complex(@v[j][i], -@v[j][i-1])} + Array.new(@size){|j| Complex(@v[j][i-1], -@v[j][i])} end end end |