quad_trapezoid_test, an Octave code which calls quad_trapezoid(), which applies an n-interval trapezoid quadrature rule to estimate the integral of a function f(x) over an interval [a,b].
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quad_trapezoid, an Octave code which interactively applies a n-interval trapezoid quadrature rule to estimate the integral of a function f(x) over an interval [a,b].