Difference between revisions of "NIntegral Command"

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==CAS Syntax==
 
;NIntegral[ <Function f>, <Start x-Value a>, <End x-Value b> ]
 
;NIntegral[ <Function f>, <Start x-Value a>, <End x-Value b> ]
 
:Computes the definite integral <math>\int_a^bf(x)\mathrm{d}x</math> numerically.
 
:Computes the definite integral <math>\int_a^bf(x)\mathrm{d}x</math> numerically.

Revision as of 10:25, 30 November 2012


CAS Syntax

NIntegral[ <Function f>, <Start x-Value a>, <End x-Value b> ]
Computes the definite integral \int_a^bf(x)\mathrm{d}x numerically.
Example:
NIntegral[ℯ^(-x^2), 0, 1] yields 0.746824132812427.
NIntegral[ <Function f>, <Variable t>, <Start variable-Value a>, <End variable-Value b> ]
Computes the definite integral \int_a^bf(t)\mathrm{d}t numerically.
Example:
NIntegral[ℯ^(-a^2), a, 0, 1] yields 0.746824132812427.
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