Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | Next revision Both sides next revision | ||
|
factorial_function [2015/11/14 03:08] nikolaj |
factorial_function [2015/11/14 03:26] nikolaj |
||
|---|---|---|---|
| Line 29: | Line 29: | ||
| The binomial coefficients use the factorial of course, so there's not real computational benefit. | The binomial coefficients use the factorial of course, so there's not real computational benefit. | ||
| + | |||
| + | The theorem underlying here is that, for all $n$ | ||
| + | |||
| + | $\sum_{k=0}^n\dfrac{(-1)^k (-k)^n}{k!\,(n - k)!}=1$ | ||
| ----- | ----- | ||
