viewimage.php?id=20bcc42e&no=24b0d769e1d32ca73cee83fa11d02831a8a865d070dfb053de17d9bb378f24fdb6ba99f58b0ecd6dc8ee42f307f6a1c32ef7b70cda9d121fa75e39c1cfa8

%function

f=@(x) log(x);

fp=@(x) 1/x;


%true value

sol=1;


%initial value

x0 = 2;


%the number of iteration

iter=20;


x=zeros(1,iter);

x(1)=x0;


for i=1:iter

x(i+1)=x(i)-f(x(i))/fp(x(i));

end


x

error=abs(sol-x(iter+1))






ln(x): 0~e면 됨

x^3: 다 됨

x^(1/3): 0 말고는 발산

e^x-1: 다 됨


수치해석 잘 못해서 맞는진 모름