Generate a matrix A by setting
A = floor(10 * rand((6))
and generate a vector b by setting
(a) Since A was generated randomly, we would expect it to be nonsingular. The system
(b) Let us now change A so as to make it singular.
Set
Use MATLAB to compute
(c) Set
and
Why do we know that the system
(d) The free variable determined by the echelon form should be
(e) Set
(f) Set
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Linear Algebra With Applications, Books A La Carte Edition (9th Edition)
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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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