Encyclopedia > Iteration

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Iteration is a characteristic of certain algorithms or computer programs in which a sequence of one or more algorithmic steps are performed in a program loop. It is distinguished from the repetitive technique called recursion.

Here is an example, in pseudocode:

    a = 0
    for i = 0 stepby 1 until 3
        a = a + i
    print a  /* "6" is printed */

A process which is repeated again and again it know as a reiterative process. Reiteration is often used in order to converge on the final result when starting with an educated guess.

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