Generic Form
The master theorem concerns recurrence relations of the form:
In the application to the analysis of a recursive algorithm, the constants and function take on the following significance:
- n is the size of the problem.
- a is the number of subproblems in the recursion.
- n/b is the size of each subproblem. (Here it is assumed that all subproblems are essentially the same size.)
- f (n) is the cost of the work done outside the recursive calls, which includes the cost of dividing the problem and the cost of merging the solutions to the subproblems.
It is possible to determine an asymptotic tight bound in these three cases:
Read more about this topic: Master Theorem
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