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10 Nov 2019
1. Consider the matrix A=[ 1 1 1
1 1 1
1 1 1]
a) Find the eigenvalues of A.
b) Determine an invertible matrix P and adiagonal matrix D such that P-1AP=D.
c) Compute A^100.
(may include c^100 for scalar c)(need toexplain.)
2. Which is a subspace? (Don't needexplain.)
A. {[x
y
z]:x-y+z=1} is a subspace of R^3.
B. {[-s+3t
s-2t
5s-t]: s,tbelong to R} is a subspace of R^3
C. {[s+1
-t
s+t]: s,t belong to R}is a subspace of R^3
1. Consider the matrix A=[ 1 1 1
1 1 1
1 1 1]
a) Find the eigenvalues of A.
b) Determine an invertible matrix P and adiagonal matrix D such that P-1AP=D.
c) Compute A^100.
(may include c^100 for scalar c)(need toexplain.)
2. Which is a subspace? (Don't needexplain.)
A. {[x
y
z]:x-y+z=1} is a subspace of R^3.
B. {[-s+3t
s-2t
5s-t]: s,tbelong to R} is a subspace of R^3
C. {[s+1
-t
s+t]: s,t belong to R}is a subspace of R^3
Irving HeathcoteLv2
28 Jan 2019