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trapezoidal+approximation+method

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  • Trapezoidal rule — This article is about the quadrature rule for approximating integrals. For the Explicit trapezoidal rule for solving initial value problems, see Heun s method. The function f(x) (in blue) is approximated by a linear function (in red). In… …   Wikipedia

  • Rectangle method — In mathematics, specifically in integral calculus, the rectangle method (also called the midpoint or mid ordinate rule) computes an approximation to a definite integral, made by finding the area of a collection of rectangles whose heights are… …   Wikipedia

  • Heun's method — In mathematics and computational science, Heun s method may refer to the improved or modified Euler s method (that is, the explicit trapezoidal rule[1]), or a similar two stage Runge–Kutta method. It is named after Karl L. W. M. Heun and is a… …   Wikipedia

  • Linear multistep method — Adams method redirects here. For the electoral apportionment method, see Method of smallest divisors. Linear multistep methods are used for the numerical solution of ordinary differential equations. Conceptually, a numerical method starts from an …   Wikipedia

  • Trapezoid — For other uses, see Trapezoid (disambiguation) and Trapezium (disambiguation). Trapezoid (AmE) Trapezium (BrE) A Trapezoid Type quadrilateral Edges and …   Wikipedia

  • Simpson's rule — can be derived by approximating the integrand f (x) (in blue) by the quadratic interpolant P (x) (in red). In numerical analysis, Simpson s rule is a method for numerical integration, the numerical approximation of definite integrals.… …   Wikipedia

  • Numerical integration — consists of finding numerical approximations for the value S In numerical analysis, numerical integration constitutes a broad family of algorithms for calculating the numerical value of a definite integral, and by extension, the term is also… …   Wikipedia

  • Clenshaw–Curtis quadrature — and Fejér quadrature are methods for numerical integration, or quadrature , that are based on an expansion of the integrand in terms of Chebyshev polynomials. Equivalently, they employ a change of variables x = cos θ and use a discrete… …   Wikipedia

  • List of numerical analysis topics — This is a list of numerical analysis topics, by Wikipedia page. Contents 1 General 2 Error 3 Elementary and special functions 4 Numerical linear algebra …   Wikipedia

  • Integral — This article is about the concept of integrals in calculus. For the set of numbers, see integer. For other uses, see Integral (disambiguation). A definite integral of a function can be represented as the signed area of the region bounded by its… …   Wikipedia

  • Numerical ordinary differential equations — Illustration of numerical integration for the differential equation y = y,y(0) = 1. Blue: the Euler method, green: the midpoint method, red: the exact solution, y = et. The step size is h = 1.0 …   Wikipedia

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