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I am writing a paper on different methods to calculate roots. One method that I am explaining is Regula falsi. I am also comparing it to bisection and found out that Regula Falsi apparently does not always converge and that, for certain Intervalls, it does not work. And because I didn't find any examples for this problem I wanted to ask, if anyone can give me one.

Excuse my bad english Thanks in advance

Do u know da wae
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  • what is regula falsi? – cineel Feb 23 '22 at 17:54
  • @moo i read it on the german wikipedia page on bisection where it says: "Bisection is suitable for the following cases: The initial values of the classical methods (Newton's method, Regula falsi) are not sufficiently close to the root, so that no local convergence occurs there" – Do u know da wae Feb 24 '22 at 07:27
  • @cineel https://en.m.wikipedia.org/wiki/Regula_falsi – Do u know da wae Feb 24 '22 at 08:54
  • What do you mean Regula Falsi does not always converge? The whole point of it compared to the secant method is that it always converges, provided you give it a bracket like with bisection. – Simply Beautiful Art May 02 '22 at 18:22

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