Difference between revisions of "NIntegral Command"
From GeoGebra Manual
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:Computes (numerically) the definite integral <math>\int_a^bf(x)\mathrm{d}x</math> of the given function ''f'', from ''a'' (''Start x-Value'') to ''b'' (''End x-Value''). | :Computes (numerically) the definite integral <math>\int_a^bf(x)\mathrm{d}x</math> of the given function ''f'', from ''a'' (''Start x-Value'') to ''b'' (''End x-Value''). | ||
:{{example| 1=<code><nowiki>NIntegral(ℯ^(-x^2), 0, 1)</nowiki></code> yields ''0.75''.}} | :{{example| 1=<code><nowiki>NIntegral(ℯ^(-x^2), 0, 1)</nowiki></code> yields ''0.75''.}} | ||
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| + | ;NIntegral( <Function>, <Start x-Value>, <Start y-Value>, <End x-Value> ) | ||
| + | :Computes (numerically) the definite integral of the given function ''f'', starting at (''Start x-Value'', ''Start y-Value'') and ending at (''End x-Value''). | ||
| + | :{{example| 1=<code><nowiki>NIntegral(ℯ^(x), 0, 1, 2)</nowiki></code>.}} | ||
{{hint|1=In the [[File:Menu view cas.svg|link=|16px]] [[CAS View]] the following syntax can also be used: | {{hint|1=In the [[File:Menu view cas.svg|link=|16px]] [[CAS View]] the following syntax can also be used: | ||
Revision as of 15:11, 4 August 2022
- NIntegral( <Function>, <Start x-Value>, <End x-Value> )
- Computes (numerically) the definite integral \int_a^bf(x)\mathrm{d}x of the given function f, from a (Start x-Value) to b (End x-Value).
- Example:
NIntegral(ℯ^(-x^2), 0, 1)yields 0.75.
- NIntegral( <Function>, <Start x-Value>, <Start y-Value>, <End x-Value> )
- Computes (numerically) the definite integral of the given function f, starting at (Start x-Value, Start y-Value) and ending at (End x-Value).
- Example:
NIntegral(ℯ^(x), 0, 1, 2).
Hint: In the 
CAS View the following syntax can also be used:
- NIntegral( <Function>, <Variable>, <Start Value>, <End Value> )
- Computes (numerically) the definite integral \int_a^bf(t)\mathrm{d}x of the given function f, from a (Start value) to b (End value), with respect to the given variable.
- Example:
NIntegral(ℯ^(-a^2), a, 0, 1)yields 0.75.
