这里面应用牛顿法，QUASI-NEWTON ,BROYDEN，等各种方法，计算非线性方程组，通过一个初始值的设定，在可接受的循环次数内，计算得到-This application of Newton' s method which, QUASI-NEWTON, BROYDEN, and other various methods to calculate the nonlinear equations, by setting an initial value within an acceptable number of cycles, the calculated