Linear Algebra and Its Applications · Problem 1.2.7

Matrices and Gaussian Elimination — Gilbert Strang

Mathematics · geometry-of-linear-equations

Problem

Give two more right-hand sides in addition to

b = (2,5,7)

for which equation (4) can be solved. Give two more right-hand sides in addition to

b = (2,5,6)

for which it cannot be solved.