trapezoid
Description
Implements the trapezoid rule. The first three arguments are required.
Syntax
$area = trapezoid($rf_func, $start, $end, %options);
Params
$rf_func refers to a subroutine of one variable defining the function.
$start is the left hand endpoint of the integral.
$end is the right hand endpoint of the integral.
Options
| Option key | Option value | Default | steps,
intervals | The number of intervals in the trapezoid approximation. | 30 |
Returns
A number representing the definite integral
Examples
$area = trapezoid(sub { my $x=shift; $x**2;}, 0, 1, steps =>100); # overkill evaluation of x^2 on the interval from 0 to 1.
See Also
romberg
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