Example: Gauss Quadrature
The example below demonstrates how to use the Gauss Quadrature program.
Example
Evaluate the integral below using four subintervals.
Procedure |
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| Enter the function into program memory | [ LEARN ] { 1st } [ 2nd ] [ LBL ] [ 2nd ] f [ 2nd ] x [ ( ] [ ( ] [ RCL ] H [ × ] 2 [ ) ] [ INV ] [ LN ] [ ÷ ] [ ( ] [ RCL ] H [ + ] 2 [ ) ] [ x2 ] [ ) ] [ 2nd ] [ RTN ] [ LEARN ] |
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| Select the program | [ RUN ] { MTH } { GAU } |
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| Enter the number of subintervals | 4 { n } |  |
| Enter the lower limit | 0 { LO } |  |
| Enter the upper limit | 2 { HI } |  |
| Proceed with result | { EOD } |  |
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