perplexus.info :: Just Math : Matrix Product Poser

Matrix Product Poser (Posted on 2016-03-19)

A is a 3x2 matrix and B is a 2x3 matrix, and:

AB = 
⌈ 8  2 -2⌉
| 2  5  4|
⌊-2  4  5⌋

Find the product BA.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

[9 0] BA = [0 9]
For an explanation, refer to the solution submitted by Brian Smith in the comment section.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Family of Solutions	Brian Smith	2016-03-21 23:16:52
Orthogonal Diagonalization	Brian Smith	2016-03-19 14:58:46
Diagonalization Solution	Brian Smith	2016-03-19 10:57:04

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