Talk:Steffensen's method

Latest comment: 14 years ago by Ac44ck in topic Typo?

Typo?

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The "units" seem to be inconsistent in this formula at the end of the derivation:

 

The numerator is subtracting   from   Suppose the values of P are distances measured in meters. Then   has units of distance (meters) and   has units of area (meters^2). One cannot subtract a distance from an area. Is there a typo in the given formula? - Ac44ck (talk) 04:37, 26 December 2008 (UTC)Reply

This was fixed on 11 February 2010. Thank you. Ac44ck (talk) 14:11, 1 August 2010 (UTC)Reply

Quadratic convergence

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It's unclear from the article what are the requirements for quadratic convergence. bungalo (talk) 18:24, 20 April 2010 (UTC)Reply