Calculating a convolutional integral of piecewise difined functions

kyfe's picture

hi!

I'd like to calculate a convolutional integral of a triangle function with itself:

You see the definition is correct and simple integration of the function is correct as well, but when I try to calculate a convolutional integral of the function with itself it prints smth. weird. What do I wrong? Thanks!

P.S. numeric integration freezes the program.