Re: Using sum() within a function

> Example-- variables x,y,z,t; dimensions numX, numY, numZ, numT;
> functions f1(x,y,z,t), f2(y,z,t);  want to calculate f1*f2 and
> sum over t to get out[x,y,z].

Cobbling together a number of suggestions, what finally worked was--

def f3(x, y, z, t_range=arange(numT)):
  tempval = 0.* x
  for t in t_range:
    tempval += f1(x,y,z,t) + f2(y,z,t)
  return tempval

out = fromfunction(f3,(numX,numY,numZ,1))


I couldn't quite get sum() to work inside the function, but this
is definitely good enough for now.  Thanks to all for your help.
-Jim Cser



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