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**Hannibal lecter****Member**- Registered: 2016-02-11
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Hi,

how to find root of f(x) = - ln(x) by fixed point iteration?

*Last edited by Hannibal lecter (2018-01-06 08:15:59)*

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**bob bundy****Administrator**- Registered: 2010-06-20
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As bob points out, Newton-Raphson provides a pretty fast rate of convergence to the well-known root at . In fact, after just 6 iterations, it has an error of around .

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