Let A = 3 4 and b= 5 6 b? (a) A has only 2 2 b₂ A does not have a pivot in eve Is the equation Ax = b consistent for all possible pivots. (b) Conclusion: Ax=b is not consistent ✓columns and therefore A has at most because

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question

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Let A=
b?
[1 2]
3 4 and b=
5 6
(a) A has only 2
2
[b₁
b₂
by
A does not have a pivot in eve
Is the equation Ax = b consistent for all possible
✓pivots.
(b) Conclusion: Ax=b is not consistent
✓columns and therefore A has at most
because
Transcribed Image Text:Let A= b? [1 2] 3 4 and b= 5 6 (a) A has only 2 2 [b₁ b₂ by A does not have a pivot in eve Is the equation Ax = b consistent for all possible ✓pivots. (b) Conclusion: Ax=b is not consistent ✓columns and therefore A has at most because
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