Part A) Compute the matrix-vector product Ax using the row-vector rule. Part B) Write the matrix-vector product Ax as a linear combination of the columns of A. Compute the linear combination to confirm that you get the same answer found in (Part A).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Part A) Compute the matrix-vector product Ax using the row-vector rule. 

Part B) Write the matrix-vector product Ax as a linear combination of the columns of A.
Compute the linear combination to confirm that you get the same answer found in (Part A).

Let
8
A
3
and
-2
X =
5 -1
Transcribed Image Text:Let 8 A 3 and -2 X = 5 -1
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