IN the investigation of stability problems in physical science it is essential that ‘stability criteria’ be available to ensure that the characteristic equation, which is usually an algebraic polynomial equation, is such that the roots, if real, are negative; and, if complex, have their real parts negative.
Polynomial Characteristic Equations
Criteria for Quadratic Factors to be Positive
Aircraft Engineering and Aerospace Technology ; 27 , 12 ; 419-420
1955-12-01
2 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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