Find matrix D, which represents the number of each type of account at the end of the first quarter at each location. D =
Find matrix D, which represents the number of each type of account at the end of the first quarter at each location. D =
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
The numbers of three types of bank accounts on January 1 at the Central Bank and its branches are represented by matrix A.
| Checking accounts |
Savings accounts |
Fixed- deposit accounts |
|||||||||||||
| Main office |
|
||||||||||||||
| A = | Westside branch | ||||||||||||||
| Eastside branch |
The number and types of accounts opened during the first quarter are represented by matrix B, and the number and types of accounts closed during the same period are represented by matrix C. Thus,
B =
and C =
.
|
|
260 | 120 | 110 |
|
||
| 140 | 60 | 50 | ||||
| 120 | 70 | 50 |
|
|
120 | 80 | 80 |
|
||
| 70 | 30 | 40 | ||||
| 60 | 20 | 40 |
(a) Find matrix D, which represents the number of each type of account at the end of the first quarter at each location.
| D = |
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