Book
Linear Algebra
Author
Gilbert Strang
Edition
a=matrix([[3,4,2],[0,1,2],[0,0,0]]) e=a.eigenvalues() b=matrix([[0,0,2],[0,2,0],[2,0,0]]) f=b.eigenvalues() print bool(e[0]+e[1]+e[2]==a.trace() and e[0]*e[1]*e[2]==a.det()) print bool(f[0]+f[1]+f[2]==b.trace() and f[0]*f[1]*f[2]==b.det())
Solution by:
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