Räkna ut PI
Räkna ut pi med python
Leibniz formel
iter = 5000
pi = 0
n = 1
t = 1
for i in range(iter):
pi += (1/n)*t
n += 2
t = -t
pi *=4
print(pi)
John Wallis produkt
iter = 50000
t = 2
n = 1
pi = 2
for i in range(iter):
if(i%2):
t+=2
if(not i%2):
n+=2
pi*=t/n
pi *=2
print(pi)
def pos(d):
return(neg(d-2) + 1/d)
def neg(d):
if d>0:
return(pos(d-2) - 1/d)
else:
return(0)
def pi(n):
return(4 * pos(4*n+1))
print(pi(50))