根据给定的函数，分别用复合梯形公式、复合辛普森公式、龙贝格求积公式和变步长的求积公式计算积分结果，并且比较积分的精确度。-According to a given function, namely, composite trapezoidal formula using composite Simpson formula Romberg quadrature formula and the variable step-size integration quadrature formula res

梯形与simpson求积公式 分别是梯形,simpson,和3/8simpson的matlab代码,计算的区间被划分成为了又2到256个,精度逐渐增加.-Trapezoidal and simpson quadrature formula are trapezoidal, simpson, and 3/8simpson of matlab code to calculate the interval was divided to become another 2-256, a gradual

利用Matlab编写复合梯形求积方法的M文件-Use Matlab write complex trapezoidal quadrature method M file