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python Programming Glossary: math.factorial

Is there a math nCr function in python? [duplicate]

http://stackoverflow.com/questions/4941753/is-there-a-math-ncr-function-in-python

'bc' 'bd' 'cd' If you just need to compute the formula use math.factorial import math def nCr n r f math.factorial return f n f r f n.. the formula use math.factorial import math def nCr n r f math.factorial return f n f r f n r if __name__ '__main__' print nCr 4 2 Output..

Function for Factorial in Python [closed]

http://stackoverflow.com/questions/5136447/function-for-factorial-in-python

Python python share improve this question Easiest way math.factorial x available in 2.6 and above . If you want have to write it..

Given a list of elements in lexicographical order (i.e. ['a', 'b', 'c', 'd']), find the nth permutation - Average time to solve?

http://stackoverflow.com/questions/6784148/given-a-list-of-elements-in-lexicographical-order-i-e-a-b-c-d-f

test import math def nthperm li n n 1 s len li res if math.factorial s n return None for x in range s 1 1 1 f math.factorial x d.. if math.factorial s n return None for x in range s 1 1 1 f math.factorial x d n f n d f res.append li d del li d return res #now that's..

Delete item from list in Python while iterating over it

http://stackoverflow.com/questions/7573115/delete-item-from-list-in-python-while-iterating-over-it

lst.append 'DELETE' delLater True while len schedule math.factorial len lst 2 math.factorial len lst 2 # n n k mid len lst 2 l1.. delLater True while len schedule math.factorial len lst 2 math.factorial len lst 2 # n n k mid len lst 2 l1 lst mid l2 lst mid for i..

Why is math.factorial much slower in Python 2.x than 3.x?

http://stackoverflow.com/questions/9815252/why-is-math-factorial-much-slower-in-python-2-x-than-3-x

is math.factorial much slower in Python 2.x than 3.x I get the following results..