Schüle Daniel <uval at rz.uni-karlsruhe.de> writes: > In [19]: def simple_integral(func,a,b,dx = 0.001): > ....: return sum(map(lambda x:dx*x, func(arange(a,b,dx)))) Do you mean def simple_integral(func,a,b,dx = 0.001): return dx * sum(map(func, arange(a,b,dx)))