- trapezoidal method
- n.梯形法
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
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
Method of exhaustion — This article is about the method of finding the area of a shape using limits. For the method of proof, see Proof by exhaustion. The method of exhaustion (methodus exhaustionibus, or méthode des anciens) is a method of finding the area of a shape… … Wikipedia
trapezoidal rule — Math. a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids. * * * … Universalium
trapezoidal rule — noun : an approximate rule for determining the area under a curve * * * Math. a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids … Useful english dictionary
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
Collocation method — In mathematics, a collocation method is a method for the numerical solution of ordinary differential equations, partial differential equations and integral equations. The idea is to choose a finite dimensional space of candidate solutions… … Wikipedia
Crank–Nicolson method — In numerical analysis, the Crank–Nicolson method is a finite difference method used for numerically solving the heat equation and similar partial differential equations.[1] It is a second order method in time, implicit in time, and is numerically … 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
Romberg's method — In numerical analysis, Romberg s method Harv|Romberg|1955 generates a triangular array consisting of numerical estimates of the definite integral: int a^b f(x) , dx by using Richardson extrapolation Harv|Richardson|1910 repeatedly on the… … 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
Stiff equation — In mathematics, a stiff equation is a differential equation for which certain numerical methods for solving the equation are numerically unstable, unless the step size is taken to be extremely small. It has proven difficult to formulate a precise … Wikipedia