Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 4 - Section 4.1 - Matrix Addition and Scalar Multiplication - Exercises - Page 239: 9

Answer

$D_{1r}: d_{r}$ Dimension: 1$\times$n

Work Step by Step

The r in $D_{1r}$ means that it can be any variable in the single row matrix, so $D_{1r}= d_{r}$. There is 1 row and n columns, so the dimension is 1$\times$n.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.