Question

Find the​ steady-state vector for the matrix below: {0.7, 0.2, 0.2}, {0.1, 0.6, 0.1}, {0.2, 0.2,...

Find the​ steady-state vector for the matrix below: {0.7, 0.2, 0.2}, {0.1, 0.6, 0.1}, {0.2, 0.2, 0.7}

The numbers listed here are the rows of a 3x3 matrix.

Homework Answers

Answer #1

The given matrix is A =

0.7

0.2

0.2

0.1

0.6

0.1

0.2

0.2

0.7

If X = (x,y,z)T is the steady state vector, then AX = X or, (A-I3)X = 0. To solve this equation, we need to reduce the matrix A-I3 to its RREF which is

1

0

-1

0

1

-0.5

0

0

0

Hence, the equation (A-I3)X = 0 is equivalent to x-z = 0 or, x = z and y-0.5z = 0 or, y = z/2. Then, X =(z,z/2,z)T =(z/2)(2,1,2)T.

Hence, (2,1,2)T is the steady state vector for the given matrix A.

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