MATLAB: How to get an average function

Question

i have a oscilating plot/figure and want to get the average function with its figure of that oscilating figure. how can i plot the average of the oscilating function?

for example: plot(a,b) is oscilating function and now i want to get an average function of this oscilating function

Answer 1

http://de.mathworks.com/help/curvefit/smoothing-data.html

Best wishes

Torsten.