correction for loop in bisection method

Hi all, I tried to work on bisection method. However, that is an error at the loop. I guess that there might be a problem with inline code at the loop. Please help me correct them. Thank you,

A=input('Enter A: ');

B=input('Enter B: ');

e=0;

func = inline('exp(x)-2cos(x)' , ' X');

while e<0.0001

    for i=1:10

C=(A+B)/2

FC=func(C);

FB=func(B);

if(FC*FB>0)

B=C;

else

A=C;

end

e=(abs((FB-FC)/FB))*100

 end

end

Answer 1

[Mischa Kim]

Anupan, check out

A = input('Enter A: ');
B = input('Enter B: ');

func = @(x) exp(x)-2*cos(x); % use instead anonymous functions

e = 1;                       % set e > 0.0001 to start search
while e>0.0001               % one loop is sufficient -> remove for loop
    C  = (A+B)/2;
    FC = func(C);
    FB = func(B);
    if(FC*FB>0)
        B = C;
    else
        A = C;
    end
    e = (abs((FB-FC)/FB))*100
end

Answer 2

[Tamima Nisat]

f = @(x)(2*x^2-5*x+3)
xl=0;
xu=10;
error=0.001;
while(f(xl)*f(xu)>0)
    xl=input('New input for lower ');
    xu=input('New input for upper ');
end
while(abs(xu-xl)>error)
    xc=(xu+xl)/2;
    if(f(xl)*f(xc)<0)
        xu=xc;
    else
        xl=xc;
    end
end
fprintf('result=%f',xc)