1. Introduction
One of the most popular models of population growth is a matrix-based model,
first introduced by P. H. Leslie. In 1945, he published his most famous article
in Biometrika, a journal. The article was entitled, On the use of matrices in
certain population mathematics [1, pp. 117–120]. The Leslie model describes
the growth of the female portion of a population which is assumed to have a
maximum lifespan. The females are divided into age classes all of which span
an equal number of years. Using data about the average birthrates and survival
probabilities of each class, the model is then able to determine the growth of the
population over time, [11, 7].
Chen and Li in [5] asserted that, Leslie matrix models are discrete models
for the development of age-structured populations. It is known that eigenvalues
of a Leslie matrix are important in describing the asymptotic behavior of the
corresponding population model. It is also known that the ratio of the spectral
1. IntroductionOne of the most popular models of population growth is a matrix-based model,first introduced by P. H. Leslie. In 1945, he published his most famous articlein Biometrika, a journal. The article was entitled, On the use of matrices incertain population mathematics [1, pp. 117–120]. The Leslie model describesthe growth of the female portion of a population which is assumed to have amaximum lifespan. The females are divided into age classes all of which spanan equal number of years. Using data about the average birthrates and survivalprobabilities of each class, the model is then able to determine the growth of thepopulation over time, [11, 7].Chen and Li in [5] asserted that, Leslie matrix models are discrete modelsfor the development of age-structured populations. It is known that eigenvaluesof a Leslie matrix are important in describing the asymptotic behavior of thecorresponding population model. It is also known that the ratio of the spectral
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