Durand–Kerner method: Difference between revisions

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==Explanation==
TheThis explanation is forconsiders equations of [[Degree of a polynomial|degree]] four. It is easily generalized to other degrees.
 
Let the polynomial ƒ be defined by
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Re-iterate until the numbers ''p, q, r, s''
essentially stop essentially changing in relative to the desired precision.
ThenThey theythen have the values ''P, Q, R, S'' in some order
and in the chosen precision. So the problem is solved.