FORTRAN代码，解算整周模糊度的LAMBDA算法-LAMBDA method

用连续性方法求解“Y +LAMBDA*EXP(Y) 0，Y(0) 0， Y (1) 0”，其中LAMBDA是参数。该方法适用于求解离散方程组。-A continuation method is used to solve equation “Y + LAMBDA*EXP(Y) 0，Y(0) 0， Y (1) 0”, where LAMBDA is a variable. The method can also be used to solve discrete equations.