10楼: Originally posted by feixiaolin at 2013-10-04 15:58:31
fid = fopen('路径及文件名','r');      
= fscanf(fid,'%5f',);   %% eg. 2列50行

参数A
A=AB(1,;

参数B
xB=AB(2,;

for k=1:50
  
    %% 1+2*(x-1)+(-2*A+1)*(x-1)^2+(-2*A+2*B*A)*(x-1)^3+( ...

2楼: Originally posted by wurongjun at 2013-10-02 16:58:55
由第一式得:y=x-A*(1-x)^2
代入第二式得:1+2*(x-1)+(-2*A+1)*(x-1)^2+(-2*A+2*B*A)*(x-1)^3+(A^2-2*B*A^2)*(x-1)^4=0
上式是关于(x-1)的四次方程!可由四次方程求根公式求解!