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Exercise 4 . 5 a . Use MATLAB to find a matrix Q and a diagonal matrix D such that P = QDQ - 1
Exercise a Use MATLAB to find a matrix Q and a diagonal matrix D such that P QDQ b Now recall that pn QDQ Find the limit as n tends to infinity of D by hand; we'll call the resulting matrix L c Using MATLAB, multiply L by Q and Qon the appropriate sides to compute poo, the limit as n tends to infinity of P Store the answer in a variable called Pint. d Now use MATLAB to compute PoXo. How does your answer compare to the results you saw in the second part of the exercise from last lab? e Make up any vectory in R whose entries add up to Compute Pooy, and compare your result to PoXo. How does the initial distribution vector y of the electorate seem to affect the distribution in the long term? By looking at the matrix Poo give a mathematical explanation. You're going to need the matrix P and initial distribution vector Xo from the exercise we did: P : : ; X: : :
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