VS.

# Sigma vs. Sigmoid

Published:

Sigmanoun

The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.

(archaic) Semi-circular, like the uncial or lunar sigma (similar to English C). Category:en:Curves

Sigmanoun

(mathematics) The symbol Σ, used to indicate summation of a set or series.

Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.

Sigmanoun

(statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.

(mathematics) Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity.

Sigmanoun

The Greek letter

(anatomy) Relating to the sigmoid colon.

Sigmanoun

the 18th letter of the Greek alphabet

Sigmoidnoun

(anatomy) sigmoid colon.

Sigma

Sigma (uppercase Σ, lowercase σ, lowercase in word-final position ς; Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200.

Sigmoidnoun

(mathematics) sigmoid function.

Curved in two directions, like the letter S, or the Greek

curved in two directions (like the letter S)