用matlab实现了3次样条，拉格朗日。辛普生、梯形等数值分析里面的重要内容。代码可用性强，可以直接调用。另外还有实验报告，非常详细的报告。-A 3 times with matlab spline, Lagrange. Simpson, trapezoidal numerical analysis and other important content inside. Code availability strong, can be called directly. There is also