quad-1.m

GNU Octave is a high-level language, primarily intended for numerical computations. It provides a c

function y = f (x) y = x + 1; endfunction
[v, ier, nfun, err] = quad ("f", 0, 5);
ier == 0 && v - 17.5 < sqrt (eps) && nfun > 0 && err < sqrt (eps)