abstract:In the theory of dynamical systems, and control theory, a continuous linear time-invariant system is marginally stable if and only if the real part of every pole in the system's transfer-function is non-positive, and all poles with zero real value are simple roots (i.e.
Based onMHDballooningmodestabilitytheory, marginalstabilityregions of the plasma ballooning mode innegativemagneticshear configuration are calculated in this paper.