Comment "On real eigenvalues of real nonsymmetric matrices"
Author :
Bose, N.K.
Volume :
57
Issue :
4
fYear :
1969
fDate :
4/1/1969 12:00:00 AM
Firstpage :
705
Lastpage :
705
Abstract :
It is noted that the conditions stated in a previous letter for real nonsymmetric matrices to have real eigenvalues and real nonpositive eigenvalues, respectively, are both necessary and sufficient.