We present the sufficient condition for a classical two-class problem from Fisher discriminant analysis has a solution. Actually, the solution was presented up to our knowledge with a necessary condition only. We use an extended Cauchy–Schwarz inequality as a tool.
Belton, A. C. R., Operator Theory, Fourth-year undergraduate course, Lancaster University2018.
Belton, A. C. R., Operator Theory, Fourth-year undergraduate course, Lancaster University2018.)| false
Pečarić, J. E., Puntanen, S. and Styan, G. P. H., Some further matrix extensions of the Cauchy–Schwarz and Kantorovich inequalities, with some statistical applications, Linear Algebra Appl., 237/238 (1996)
Pečarić, J. E., Puntanen, S. and Styan, G. P. H., Some further matrix extensions of the Cauchy–Schwarz and Kantorovich inequalities, with some statistical applications, Linear Algebra Appl., 237/238 (1996))| false
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Studia Scientiarum Mathematicarum Hungarica
2021 Volume 58
Magyar Tudományos Akadémia
H-1051 Budapest, Hungary, Széchenyi István tér 9.
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