Example 1: The Bairstow Method
The following example demonstrates how to use the Bairstow method program.
Example
Find the roots of the polynomial
Procedure |
Press |
Display |
|---|---|---|
|
|
||
| Select the program | [ RUN ] { MTH } { --> } { ZRO } { BAI } |
 |
| Enter the number of iterations allowed | 50 { #it } |  |
| Enter the allowable error | .00001 { err } |  |
| Proceed with the program | { EOD } |  |
| Select new polynomial | { YES } |  |
| Enter the degree of the polynomial | 5 { n } { EOD } |  |
| Enter the coefficients | 1 { ENT } |  |
| 17.8 [ +/- ] { ENT } |
 |
|
| 99.41 { ENT } |  |
|
| 261.218 [ +/- ] { EOD } |
 |
|
| /td> | 352.611 { ENT } |  |
| 134.106 [ +/- ] { ENT } |
 |
|
| Proceed with program | { NO } |  |
| Enter initial r and s | 0 { r } 0 { s } { EOD } |
 |
| View the roots | { R1 } |  |
| { R2 } |  |
|
| Proceed with program | { ESC } |  |
| View the coefficients of the reduced polynomial | { YES } |  |
| { NXT } |  |
|
| { NXT } |  |
|
| { NXT } |  |
|
☚ Back