Nonnegative iterations with asymptotically constant coefficients

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Abstract

Let Ak, k = 0, 1, 2, ..., be a sequence of real nonsingular n × n matrices which converge to a nonsingular matrix A. Suppose that A has exactly one positive eigenvalue λ and there exists a unique nonnegative vector u with properties A u = λ u and {norm of matrix} u {norm of matrix} = 1. Under further additional conditions on the spectrum of A, it is shown that if x0≠ 0 and the iteratesxk + 1= Akxk, k = 0, 1, 2, ...,are nonnegative, then frac(xk, {norm of matrix} xk{norm of matrix}) converges to u and frac({norm of matrix} xk + 1{norm of matrix}, {norm of matrix} xk{norm of matrix}) converges to λ as k → ∞. © 2009 Elsevier Inc. All rights reserved.

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APA

Pituk, M. (2009). Nonnegative iterations with asymptotically constant coefficients. Linear Algebra and Its Applications, 431(10), 1815–1824. https://doi.org/10.1016/j.laa.2009.06.020

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