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- What is recursion and when should I use it? - Stack Overflow
Recursion is a tree, with branches and leaves, called parents and children respectively When you use a recursion algorithm, you more or less consciously are building a tree from the data
- What are the advantages and disadvantages of recursion?
With respect to using recursion over non-recursive methods in sorting algorithms or, for that matter, any algorithm what are its pros and cons?
- Recursion vs loops - Stack Overflow
Recursion is used to express an algorithm that is naturally recursive in a form that is more easily understandable A "naturally recursive" algorithm is one where the answer is built from the answers to smaller sub-problems which are in turn built from the answers to yet smaller sub-problems, etc
- Understanding how recursive functions work - Stack Overflow
Recursion started making sense to me when I stopped reading what others say about it or seeing it as something I can avoid and just wrote code I found a problem with a solution and tried to duplicate the solution without looking
- Is recursion ever faster than looping? - Stack Overflow
Why? Because recursion is typically well founded over some data structure, inducing an Initial F-algebra and allowing you to prove some properties about termination along with inductive arguments about the structure of the (recursive) computation The process by which recursion is compiled to loops is tail call optimization
- java - What is recursion - Stack Overflow
Recursion is a programming technique where a method can call itself as part of its calculation (sometimes you can have more than one method - the methods would then normally call each other circularly)
- algorithm - What is tail recursion? - Stack Overflow
Tail recursion optimization is to remove call stack for the tail recursion call, and instead do a jump, like in a while loop But if you do use the return value of a recursive call before return it, it is a ordinary recursion and can't be optimized
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