Romberg积分和变步长梯形求积公式的matlab算法程序，详细功能见代码内部说明-Romberg integral and variable step-size trapezoidal quadrature formula matlab algorithm program in detail capabilities see the code for internal notes

编程实现用变步长梯形积分算法求解函数的定积分-Programming with variable step trapezoidal integration algorithm for solving the definite integral of a function

这是一个用变步长梯形求积发计算的二重积分。-This is a double integral using the variable step length trapezoidal quadrature calculation.

使用WIN-TC编写一个程序，实现数值积分。用复化梯形方法、复化Simpson方法、变步长梯形方法、变步长Simpson方法编程求解积分值。-Using WIN-TC to write a program to achieve numerical integration. Compound trapezoid method used, the complex method of Simpson, variable step trapezoidal method, Simpson variable