Question

用二分迭代法求该方程的近似解,解的误差设为0.2.

Answer 1

x=10 f(x)0 ;x=100,f(x)0 ,显然f(x)连续,所以f(x)=0有根.Matlab编程：clear;a=input('初始值=?');b=10^(-input('允许误差=?'));c=0;k=0;while abs(c-a)bc=a;a=a+(sin(a)+a^2-100*sqrt(a)-15)/(cos(a)+2*a-50*a^(-1/2...