线性插值，椭圆插值，随机插值，各种插值计算方法 Interpolation类的第一种边界条件的三次样条函数插值、微商与积分(double[] x = {0.52,8.0,17.95,28.65,50.65,104.6,156.6,260.7,364.4,468.0,507.0,520.0}; double[] y = {5.28794,13.84,20.2,24.9,31.1,36.5,36.6,31.0,20.9,7.8,1.5,0.2};