Computes the nth moment mean of a function (needs more implentation).
m = moment(x, y, n)
m = nth moment of y
x = domain
y = data
n = nth moment == 1 by default
m = int(x^n * y) / int(y)
where int is integral over all x integral is calculated using trapezium rule
Adam Wyatt (2020). Moments of a function (https://www.mathworks.com/matlabcentral/fileexchange/15639-moments-of-a-function), MATLAB Central File Exchange. Retrieved .