Rectangle Function
The rectangle function 
is a function which is 0 outside the interval 
and unity inside it. It is also calledthe Gate Function, Pulse Function, or Window Function, and is defined by
 | (1) |
has height 
, center 
, and full-width 
. Identities satisfied by the rectanglefunction include |  |  | (2) |
|  | (3) | |
|  | (4) | |
|  | (5) |
where
is the Heaviside Step Function. The Fourier Transform of the rectangle function isgiven by | (6) |
is the Sinc Function.See also Fourier Transform--Rectangle Function, Heaviside Step Function, Ramp Function- Gamma Function
- Gamma Group
- Gamma-Modular
- Gamma Statistic
- Garage Door
- Garman-Kohlhagen Formula
- Gate Function
- Gauche Conic
- Gaullist Cross
- Gauss-Bodenmiller Theorem
- Gauss-Bolyai-Lobachevsky Space
- Gauss-Bonnet Formula
- Gauss-Bonnet Theorem
- Gauss Equations
- Gaussian Approximation Algorithm
- Gaussian Bivariate Distribution
- Gaussian Brackets
- Gaussian Coefficient
- Gaussian Coordinate System
- Gaussian Curvature
- Gaussian Differential Equation
- Gaussian Distribution
- Gaussian Distribution Linear Combination of Variates
- Gaussian Elimination
- Gaussian Function