The approximate value of the big solution of transcendental equation is discussed by using the parameter perturbedmethod. 用参数摄动法求得了超越方程的大根的近似值。
The interval parameter perturbation method and the interval parameter back analysis method are studied, and the interval parameter monotony back analysis method is presented. 摘要研究了区间参数摄动法和区间参数优化反分析法,提出了区间参数单调性优化反分析法。