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所在平台: Udemy |
课程主页: https://www.udemy.com/course/reduction-formula-evaluation-of-integrals-integral-calculus/
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课程名称:积分的降幂公式计算:积分学 课程概述: 本课程将介绍降幂公式(Reduction Formula),这是一种连接给定积分与同类型但次数较低的积分的公式。通过反复或连续应用降幂公式,我们可以计算出给定的积分。这种积分方法被称为“递降积分法”或“逐次降幂积分法”。降幂公式通常可以通过积分的“分部积分法”(即积分的乘积法则)导出。在本课程中,除非另有说明,均假定 n 和 m 是整数。 核心内容: * **降幂公式的定义与原理:** 理解降幂公式如何将复杂积分转化为更简单的积分。 * **递降积分法的应用:** 学习如何通过反复应用降幂公式来求解积分。 * **降幂公式的推导:** 掌握使用分部积分法推导降幂公式的方法。
You have noticed somewhere that any formula which connects the given integral with another integral in which the integrand is of the same type but is of lower degree is called a Reduction Formula. Repeated or continuous application of reduction formula helps us to evaluate the given integral. This method of integration is called integration by successive reduction. Reduction formula can be easily derived using integration by parts i.e., product rule of integration. In this whole course, assume n, m are to be integers unless, otherwise stated.