// Workers AI · dad joke modeWhat did Sigma function say? "I sum it up.
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
- Rado's sigma function, see busy beaver
See also sigmoid function.
This disambiguation page lists mathematics articles associated with the same title.
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