(i) Compute each Ax by dot products of the rows with the column vector: (a) 2 1 1 2 3 [10 2 1 1 2 3 0 (b) |-5 2 1 0 0 1

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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(i) Compute each Ax by dot products of the rows with the column vector:
[i 1 1] [ 2
(a) 2 1 0
1
3
0 2 1
2 3 0
1
(b)
-5
1
4
2
2
1 0
3
(ii) Compute each Ax in Problem 1 (i) as a linear combination of the columns:
Transcribed Image Text:(i) Compute each Ax by dot products of the rows with the column vector: [i 1 1] [ 2 (a) 2 1 0 1 3 0 2 1 2 3 0 1 (b) -5 1 4 2 2 1 0 3 (ii) Compute each Ax in Problem 1 (i) as a linear combination of the columns:
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Dot product of 2 matrixes can be done by multiplying each number of the row i of matrix1 with each number of the coloumn i of matrix2 and then adding them.

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