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Legacy Documentation

Mathematica 8 (2010)

This is documentation for Mathematica 8, which was
based on an earlier version of Wolfram Language.
View current documentation (Version 14.3)

Introduction to Numerical Sums, Products and Integrals

NSum[f,{i,imin,Infinity}] numerical approximation to
NProduct[f,{i,imin,Infinity}] numerical approximation to
NIntegrate[f,{x,xmin,xmax}] numerical approximation to
NIntegrate[f,{x,xmin,xmax},{y,ymin,ymax}]
the multiple integral

Numerical sums, products and integrals.

Here is a numerical approximation to .
Out[1]=
NIntegrate can handle singularities in the integration region.
Out[2]=
You can do numerical integrals over infinite regions.
Out[3]=
Here is a double integral over a triangular domain. Note the order in which the variables are given.
Out[4]=
Here is a double integral over a more complicated domain.
Out[5]=


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