How do I define a piecewise function with functional restrictions? [closed]

asked 2019-12-17 08:30:25 -0500

mattiav gravatar image

I have to define a piecewise function T(x,y) which equals xy if xy>0 and x+y for x*y<=0. How do I do this? I have tried in this way:

def T(x,y):
  if (x>0):
    return x*y
  else:
    return x+y

but it does not work. How can I solve this problem?

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Closed for the following reason duplicate question by tmonteil
close date 2019-12-17 14:26:48.034690