nlintool(x,y,'fun',beta,alpha)r=corrcoef(y,yy);plotregression(y,yy)regstats(y,yy)运行结果：Warning:Rankdeficient,rank=0,tol=0.000000e+00.InnlinfitLMfitat351Innlinfitat184...

想用nlintool做数据拟合，但是百度到的都是nlinfit写的代码。想知道nlintool这个工具怎么用x=方程式y=a*x/(b+x)a,b都是待拟合确定参数

betaci=nlparci(beta,r,j)nlintool(x,y,funex1131,beta0,0.05,'生产时间x','氯气几份y')beta=0.00310.0000-203.58160.4988ci=1.0e+010*-0.00000.00000.00000.0000-4.53514.5351-0.01110....

nlintool(x,y,'fun',beta,alpha)r=corrcoef(y,yy)%求相关系数rplotregression(y,yy)%并且画图rregstats(y,yy)functionyy=fun(beta,x)b1=beta(1);b2=beta(2);b3=beta(3);b4=beta(4);yy=b1*(x...