Abstract
In this article, we present several necessary and sufficient conditions for the existence of Hermitian positive definite solutions of nonlinear matrix equations of the form $$X^s+A^*X^{-t}A+B^*X^{-p}B=Q$$ , where $$s,t,p \ge 1$$ , A, B are nonsingular matrices and Q is a Hermitian positive definite matrix. We derive some iterations to compute the solutions followed by some examples. In this context, we also discuss about the maximal and the minimal Hermitian positive definite solution of this particular nonlinear matrix equation.
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