各种计算物理模型的案例及代码C/C++ and Fortran 90/95 -Various cases of Computational Physics model and code C/C++ and Fortran 90/95

非线性拟合（指数方程）,在金融工程学，宏观经济学，计算物理学等领域应用广泛.-Nonlinear fitting (exponential equation) is widely used in financial engineering, macroeconomics, computational physics and other fields.