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2005 Aug 17
power of a matrix
Dear all, I have a population with three age-classes, at time t=0 the population is: <- c(1,0,0) I have a transition matrix A which denotes "fertility" and "survival": A <- matrix(c(0,1,5, 0.3,0,0, 0,0.5,0), ncol=3, byrow=TRUE) To obtain the population at t=1, I calculate: A %*% To obtain the population t=2, I calculate: A %*% (A %*% ... and so