Sigma function
From Wikipedia, the free encyclopedia
In mathematics, by sigma function one can mean one of the following:
- The sum-of-divisors function σa(n), an arithmetic function
- Weierstrass sigma function, related to elliptic functions
- Kronecker's sigma function
- Rado's sigma function, see busy beaver
See also sigmoid function.
 |
This disambiguation page lists mathematics articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
