用二分法求无理数(3开三次方根),精确到0.01的近似值是多少?
问题描述:
用二分法求无理数(3开三次方根),精确到0.01的近似值是多少?
麻烦写下具体过程,
答
f(x)=x³-3f(1)=-2<0f(2)=5>0f[(1+2)/2]=f(1.5)=0.375>0f[(1.5+1)/2]=f(1.25)<0f[(1.25+1.5)/2]=f(1.375)=0.375<0f[(1.375+1.5)/2]=f(1.4375)<0f[(1.4375+1.5)/2]=f(1.46875)>0f[(1.46875+1.4375)/2]=f(1...