
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 problem into half and do …
algorithm - Difference between Big-O and Little-O Notation - Stack …
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 will fail to …
how do *you* calculate/approximate Big O? - Stack Overflow
Most people with a degree in CS know what Big O stands for. It helps us to measure how well an algorithm scales. How do you calculate or approximate the complexity of your algorithms?
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 hash …
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 value, probably …
algorithm - Calculate distance between two latitude-longitude points ...
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 system and I'd like to …
Color gradient algorithm - Stack Overflow
Mar 24, 2014 · Given two rgb colors and a rectangle, I'm able to create a basic linear gradient. This blog post gives very good explanation on how to create it. But I want to add one more variable to this …
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
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 is not …
c# - Algorithm to detect overlapping periods - Stack Overflow
Nov 22, 2012 · Algorithm to detect overlapping periods [duplicate] Asked 13 years, 4 months ago Modified 5 years, 7 months ago Viewed 243k times
What is stability in sorting algorithms and why is it important?
Oct 5, 2009 · A sorting algorithm is said to be stable if two objects with equal keys appear in the same order in sorted output as they appear in the input unsorted array. Some sorting algorithms are stable …