01067naa a2200145 a 450000100080000000500110000800800410001910000180006024500820007826000090016052006660016965000110083565300340084677300410088012800032025-06-10 1945 bl uuuu u00u1 u #d1 aLESLIE, P. H. aOn the use matrices in certain population mathematics.h[electronic resource] c1945 aIf we are given the age distribution of a population on a certain date, we may require to know the age distribution of the survivors and descendants of the original population at successive intervals of time, supposing that these individuals are subject to some given agespecific rates of fertility and mortality. In order to simplify the problem as much as possible, it will be assumed that the,age-specific rates remain constant over a period of time, and the female population alone will be considered. The initial age distribution may be entirely arbitrary; thus, for instance, it might consist of a group of females confined to only one of the age classes. aMatriz aDistribuição de população tBiometrikagv. 33, p. 183-212, 1945.