FindRoot

FindRoot(f, {x, xmin, xmax})

searches for a numerical root of f for the variable x, in the range xmin to xmax.

FindRoot(f, {x, xstart})

searches for a numerical root of f for the variable x, with the start value xstart.

See:

• Commons Math - Interface UnivariateSolver

Examples

>>> FindRoot(Exp(x)==Pi^3,{x,-1,10}, Bisection)
{x->3.434189647436142} 

>>> FindRoot(Sin(x), {x, -0.5, 0.5})
{x->0.0} 

Related terms

Factor, NRoots, Roots, Solve