Hello guys! Hope you guys are having a nice day.
I have some problem as follows: I setup some recurrence as follows
def f(j,k):
if k==0:
m=j
elif j==0:
m=k
else:
m=j/k*(f(j-1,k)+1/k*(f(j-1,k)))+k/j*(f(j,k-1)+1/j*(f(j,k-1)))
return m
And if we calculate
f(1,1),
f(2,1),
f(1,2),
f(2,2)
in sage, then what we get are
4, 35/2, 35/2, 105/2.
However, if we do the for loop as in the below, I found the above results to be zero!!:
for k in range(3):
for j in range(3):
(j,k), expVal(j,k)
And the calculation result from the sage is:
((0, 0), 0)
((1, 0), 1)
((2, 0), 2)
((0, 1), 1)
((1, 1), 0)
((2, 1), 0)
((0, 2), 2)
((1, 2), 0)
((2, 2), 0)
And observe the bolded result above... it is weird that the result is zero... Can anyone help me fix this please...
Thank you for any help! Hope you have a nice rest of the day!
