algorithm - What does O (log n) mean exactly? - Stack Overflow
Feb 22, 2010 · A common algorithm with O (log n) time complexity is Binary Search whose recursive relation is T (n/2) + O (1) i.e. at every subsequent level of the tree you divide …
algorithm - Difference between Big-O and Little-O Notation
Sep 1, 2009 · Algorithm A can't tell the difference between two similar inputs instances where only x 's value changes. If x is the minimum in one of these instances and not in the other, then A …
Peak-finding algorithm for Python/SciPy - Stack Overflow
Apr 16, 2015 · The peak-finding algorithm would find the location of these peaks (not just their values), and ideally would find the true inter-sample peak, not just the index with maximum …
What is Sliding Window Algorithm? Examples? - Stack Overflow
Nov 25, 2011 · While solving a geometry problem, I came across an approach called Sliding Window Algorithm. Couldn't really find any study material/details on it. What is the algorithm …
algorithm - Peak signal detection in realtime timeseries data
Robust peak detection algorithm (using z-scores) I came up with an algorithm that works very well for these types of datasets. It is based on the principle of dispersion: if a new datapoint is a …
Newest 'algorithm' Questions - Stack Overflow
Jan 30, 2026 · On the wikipedia page about junction tree algorithm there is an algorithm for finding a junction tree of a graph working by finding the maximal weight spanning tree of a …
What is the best algorithm for overriding GetHashCode?
The hashing algorithm needs to be deterministic i.e. given the same input it must always produce the same output. Reduce Collisions The algorithm that calculates a hash code needs to keep …
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) …
Apr 14, 2009 · What is the most efficient algorithm to achieve the following: 0010 0000 => 0000 0100 The conversion is from MSB->LSB to LSB->MSB. All bits must be reversed; that is, this …
What would cause an algorithm to have O(log log n) complexity?
May 23, 2017 · Therefore, if there is algorithm that works by repeatedly reducing the problem to a subproblem of size that is the square root of the original problem size, that algorithm will …
algorithm - Calculate distance between two latitude-longitude …
Aug 26, 2008 · How do I calculate the distance between two points specified by latitude and longitude? For clarification, I'd like the distance in kilometers; the points use the WGS84 …