When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Theta function - Wikipedia

    en.wikipedia.org/wiki/Theta_function

    There are several closely related functions called Jacobi theta functions, and many different and incompatible systems of notation for them. One Jacobi theta function (named after Carl Gustav Jacob Jacobi) is a function defined for two complex variables z and τ, where z can be any complex number and τ is the half-period ratio, confined to the upper half-plane, which means it has a positive ...

  3. Directional statistics - Wikipedia

    en.wikipedia.org/wiki/Directional_statistics

    Directional statistics (also circular statistics or spherical statistics) is the subdiscipline of statistics that deals with directions (unit vectors in Euclidean space, R n), axes (lines through the origin in R n) or rotations in R n.

  4. Neville theta functions - Wikipedia

    en.wikipedia.org/wiki/Neville_theta_functions

    The Neville theta functions are related to the Jacobi elliptic functions. If pq(u,m) is a Jacobi elliptic function (p and q are one of s,c,n,d), then If pq(u,m) is a Jacobi elliptic function (p and q are one of s,c,n,d), then

  5. Jacobi theta functions (notational variations) - Wikipedia

    en.wikipedia.org/wiki/Jacobi_theta_functions...

    Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. Applied Mathematics Series. Vol. 55 (Ninth reprint with additional corrections of tenth original printing with corrections (December 1972); first ed.). Washington D.C.; New York: United States Department of Commerce, National Bureau of Standards; Dover Publications.

  6. Ramanujan theta function - Wikipedia

    en.wikipedia.org/wiki/Ramanujan_theta_function

    In mathematics, particularly q-analog theory, the Ramanujan theta function generalizes the form of the Jacobi theta functions, while capturing their general properties. In particular, the Jacobi triple product takes on a particularly elegant form when written in terms of the Ramanujan theta. The function is named after mathematician Srinivasa ...

  7. Noncentral t-distribution - Wikipedia

    en.wikipedia.org/wiki/Noncentral_t-distribution

    where Γ is the gamma function and I is the regularized incomplete beta function. Although there are other forms of the cumulative distribution function, the first form presented above is very easy to evaluate through recursive computing. [1] In statistical software R, the cumulative distribution function is implemented as pt.

  8. (Q,r) model - Wikipedia

    en.wikipedia.org/wiki/(Q,r)_model

    Total cost function and optimal reorder point [ edit ] The total cost is given by the sum of setup costs, purchase order cost, backorders cost and inventory carrying cost:

  9. Trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_functions

    All of the trigonometric functions of the angle θ (theta) can be constructed geometrically in terms of a unit circle centered at O. Sine function on unit circle (top) and its graph (bottom) In this illustration, the six trigonometric functions of an arbitrary angle θ are represented as Cartesian coordinates of points related to the unit circle.