Example: Tridiagonal Systems
The following example demonstrates how to use the Tridiagonal Systems program.
Example
Find the solutions to the following tridiagonal matrix.
Procedure |
Press |
Display |
|---|---|---|
|
|
||
| Select the program. | [ RUN ] { MTH } { --> } { MAT } { TRI } |
 |
| Enter the order of the matrix | 3 { n } { EOD } |  |
| Enter the a diagonal | 8 { ENT } |  |
| 2 { ENT } |  |
|
| Proceed with the program | { NO } |  |
| Enter the b diagonal | 6 { ENT } |  |
| 14 { ENT } |  |
|
| 18 { ENT } |  |
|
| Proceed with the program | { NO } |  |
| Enter the c diagonal | 4 { ENT } |  |
| 6 { ENT } |  |
|
| Proceed with the program | { NO } |  |
| Enter the d vector | 27 { ENT } |  |
| 86 { ENT } |  |
|
| 78 { ENT } |  |
|
| Display each result | { NO } |  |
| { NXT } |  |
|
| { NXT } |  |
|
The solutions to the matrix are 2.5, 3, and 4.
☚ Back