S-Curve Records

S-Curve Records was founded in 2000 by former Mercury Records executive Steve Greenberg. It is based in New York City. In 2001 the label established a distribution and licensing agreement with EMI Records. Among the hits released by S-Curve between 2000-2004 were "Who Let The Dogs Out" by Baha Men, "Stacy's Mom" by Fountains of Wayne and Joss Stone's first two albums, "The Soul Sessions" and "Mind, Body & Soul. In 2007 Greenberg relaunched the label after a two year hiatus, during which he served as President of Columbia Records. In 2010, the label's distribution deal with EMI came to an end and S-Curve entered into a new U.S. distribution deal, with Universal Music Group. In 2012, Warner Music Group agreed to distribute the label outside of North America.

The S-Curve roster and catalog include titles by Duran Duran, Betty Wright, Fountains of Wayne, Baha Men, The Beu Sisters, Sarah Hudson, Tom Jones, We The Kings, Little Jackie, Diane Birch, Andy Grammer, Nikki Jean, David Broza, Swamp Dogg, Night Bus, The Jessie Rose Trip, Care Bears on Fire, Tinted Windows and Joss Stone. S-Curve's 2011 release by Betty Wright and The Roots, "Betty Wright: The Movie" was nominated for a Grammy in the "Best Traditional R&B Performance" category. Andy Grammer's debut album has yielded the hit singles "Keep Your Head Up" (certified Platinum in the U.S.) "Miss Me" and "Fine By Me" (certified Gold). In July, 2012, S-Curve released Joss Stone's "The Soul Sessions Vol. II," a sequel to her 2003 debut album, produced by Greenberg, who also produced Stone's first two albums during the label's initial incarnation.

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S Curve

S curve or S-curve can refer to:

S Curve (art), an art term for a sinuous body position, noted in ancient marble sculpture

S-Curve Records, a record label

Sigmoid curve or sigmoid function, a mathematical function that produces a sigmoid, or "S"-shaped, curve

S curve or reverse curve, in civil engineering, a section of the horizontal alignment of a highway or railroad route in which a curve to the left or right is followed immediately by a curve in the opposite direction

S-curve, the shape of the logistic function used to illustrate the diffusion of innovations in the technology life cycle

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Sigmoid function

A sigmoid function is a mathematical function having an "S" shape (sigmoid curve). Often, sigmoid function refers to the special case of the logistic function shown in the first figure and defined by the formula

Other examples of similar shapes include the Gompertz curve (used in modeling systems that saturate at large values of t) and the ogee curve (used in the spillway of some dams). A wide variety of sigmoid functions have been used as the activation function of artificial neurons, including the logistic and hyperbolic tangent functions. Sigmoid curves are also common in statistics as cumulative distribution functions, such as the integrals of the logistic distribution, the normal distribution, and Student's t probability density functions.

Definition

A sigmoid function is a bounded differentiable real function that is defined for all real input values and has a positive derivative at each point.

Properties

In general, a sigmoid function is real-valued and differentiable, having either a non-negative or non-positive first derivative which is bell shaped. There are also a pair of horizontal asymptotes as $t \rightarrow \pm \infty$ . The differential equation $\tfrac{\mathrm{d}}{\mathrm{d}t} S(t) = c_1 S(t) \left( c_2 - S(t) \right)$ , with the inclusion of a boundary condition providing a third degree of freedom, $c_3$ , provides a class of functions of this type.

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S Curve (art)

The S Curve is a traditional art concept in Ancient Greek sculpture and Roman sculpture where the figure's body and posture is depicted like a sinuous or serpentine "S". It is related to and is an extension of the art term of contrapposto which is when a figure is depicted slouching or placing one's weight and thus center of gravity to one side. However, the S Curve involves more of the body than the contrapposto, and is therefore considered to be a more advanced technical development. The "S Curve" concept was initiated by famous Greek sculptor Praxiteles, son of Kifissodotos.

Examples of S Curve and Contrapposto