March 2003
Intermediate to advanced
1056 pages
32h 58m
English
Often the mathematical function f(x) to be integrated is too complex and we are not able to integrate it analytically. Or in some cases the function is one that has been obtained from experimental data, and no mathematical equation is available to represent the data so that they can be integrated analytically. In these cases, we can use either numerical or graphical integration.
Integration of a function f(x) between the limits x = a to x = b can be represented by
Equation 1.8-1

By graphically plotting f(x) versus x, the area under the curve is equal to the value ...
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