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Linear Algebra With Applications
Found in: Page 35
Linear Algebra With Applications

Linear Algebra With Applications

Book edition 5th
Author(s) Otto Bretscher
Pages 442 pages
ISBN 9780321796974

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Short Answer

Compute the products Ax in Exercises 16 through 19 using paper and pencil (if the products are defined).

18. [123456][12]

The product ofAx is, [51117] .

See the step by step solution

Step by Step Solution

Step 1: Consider the given matrices 

If A is ann×m matrix with row vectorsω1,.....,ωn and xis a vector in m then, .


The given expression is,


HereA is [123456]and x is[12] .

Step 2: Perform the operation

Now, find the product by performing the row column operations as follow:


Hence, the required product is [51117] .

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