# Secant method

### From Glossary

A method to find a root of a univariate function, say F. The iterate is

If
the order of convergence is the golden mean, say g (approx.= 1.618), and the limiting ratio is:

A method to find a root of a univariate function, say F. The iterate is

If
the order of convergence is the golden mean, say g (approx.= 1.618), and the limiting ratio is: