Cody

# Problem 966. Bisection method of finding a root.

Solution 247444

Submitted on 21 May 2013
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Fail
f=@(x) x.^2-4; x_lower = 1; x_upper = 3; es = 0; maxit=1; x_root_correct = 2; assert(isequal(bisection(f,x_lower,x_upper,es,maxit),x_root_correct))

```Error using VisibleTest1 (line 7) Output argument "ans" (and maybe others) not assigned during call to "bisection".```

2   Fail
f=@(x) x.^2-4; x_lower = 1; x_upper = 4; es = 0; maxit=1; x_root = 2.5; assert(isequal(bisection(f,x_lower,x_upper,es,maxit),x_root))

```Error using VisibleTest2 (line 7) Output argument "ans" (and maybe others) not assigned during call to "bisection".```

3   Fail
f=@(x) x.^2-4; x_lower = 1; x_upper = 4; x_root = 2.000000476837158; assert(isequal(bisection(f,x_lower,x_upper),x_root))

```Error using VisibleTest3 (line 5) Output argument "ans" (and maybe others) not assigned during call to "bisection".```