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Possible Duplicate:
Iterating over lists in Mathematica

While there are some cases where a For loop might be reasonable, it's a general mantra – one I subscribe to myself – that "if you are using a For loop in Mathematica, you are probably doing it wrong". But For and Do loops are familiar to people who already know other programming languages. It is common for new Mathematica users to rely on loop constructs, only to become frustrated with performance or code complexity.

My question is: are there some general rules of thumb that would help new users select the appropriate alternative to a procedural For or Do loop, and are there other useful Mathematica constructs, aside from RandomVariate/Nest/Fold/Inner/Outer/Tuples that they should know about in order to avoid those loops?

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merged by Mr.Wizard Jul 5 '12 at 13:22

This question was merged with Alternatives to procedural loops and iterating over lists in Mathematica because it is an exact duplicate of that question.