matlab求解一元四次方程区间值,急,
问题描述：
matlab求解一元四次方程区间值,急,
f(x)=-x^4+32x^3-208x^2-1436x+12286
0
答
y=@(x)-((16-x).^2*(576-(24-x).^2)./(24-x).^2);[x,fval] = fminunc(y,8)Optimization terminated:relative infinity-norm of gradient less than options.TolFun.x =7.3593fval =-80.6403在x=7.359时取得最大值80....