Theta (UK: /ˈθiːtə/, US: /ˈθeɪtə/; uppercase Θ or ϴ; lowercase θ or ϑ; Ancient Greek: θῆτα thē̂ta [tʰɛ̂ːta]; Modern: θήτα thī́ta [ˈθita]) is the eighth...
12 KB (1,163 words) - 02:12, 10 July 2024
The theta nigrum (lit. 'black theta') or theta infelix (lit. 'unlucky theta') is a symbol of death in Greek and Latin epigraphy. Isidore of Seville notes...
2 KB (178 words) - 18:21, 29 July 2023
In mathematics, theta functions are special functions of several complex variables. They show up in many topics, including Abelian varieties, moduli spaces...
67 KB (13,983 words) - 18:52, 25 June 2024
Theta* is an any-angle path planning algorithm that is based on the A* search algorithm. It can find near-optimal paths with run times comparable to those...
5 KB (619 words) - 22:03, 23 February 2024
Theta waves generate the theta rhythm, a neural oscillation in the brain that underlies various aspects of cognition and behavior, including learning,...
37 KB (4,918 words) - 11:46, 29 June 2024
{\begin{aligned}&1+\cot ^{2}\theta =\csc ^{2}\theta \\&1+\tan ^{2}\theta =\sec ^{2}\theta \\&\sec ^{2}\theta +\csc ^{2}\theta =\sec ^{2}\theta \csc ^{2}\theta \end{aligned}}}...
82 KB (12,166 words) - 13:57, 6 July 2024
Look up theta, Theta, Θ, or θ in Wiktionary, the free dictionary. Theta (Θ or θ) is the eighth letter of the Greek alphabet. Theta may also refer to: Θ...
2 KB (279 words) - 14:35, 22 May 2024
Delta Sigma Theta Sorority, Inc. (ΔΣΘ) is a historically African American sorority. The organization was founded by college-educated women dedicated to...
93 KB (10,304 words) - 05:18, 3 July 2024
\theta _{k}}}\right|_{\theta ={\widehat {\theta \,}}}\\\left.{\frac {\partial ^{2}\ell }{\partial \theta _{2}\,\partial \theta _{1}}}\right|_{\theta ={\widehat...
66 KB (9,626 words) - 01:12, 8 July 2024
Theta Chi (ΘΧ) is an international college fraternity. It was founded on April 10, 1856, at Norwich University then-located in Norwich, Vermont, and has...
18 KB (1,884 words) - 17:38, 7 July 2024