数值计算中的函数插值方法，拉格朗日插值法、分段插值法，并绘出图像，-Numerical calculation method of function interpolation, Lagrange interpolation, piecewise interpolation method, and draw the image,

Simple graphic JAVA program with interpolation and affine image transformations

1. 最小二乘法拟合数据成直线。 2. 三次样条插值。 3. 两个3D演示程序（用程序直接在平面上画的三维图像）。-自动翻译的：1 a linear least-squares fitting the data. 2 cubic spline interpolation. 3 two 3D demo program (application directly on the painting in three-dimensional image plane).