How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
The algorithm was independently discovered as described in "Algorithms for Approximate String Matching", E. Ukkonen, `Information and Control' Vol. 64, 1985, pp. 100-118. Reading the …
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 …
What are some algorithms for comparing how similar two strings …
What you're looking for are called String Metric algorithms. There a significant number of them, many with similar characteristics. Among the more popular: Levenshtein Distance : The …
Fuzzy search algorithm (approximate string matching algorithm)
The only way I can think of implementing it as a search algorithm is to perform a linear search and executing the string metric algorithm for each string and returning the strings with scores …
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 …
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 …
What is the fastest substring search algorithm? - Stack Overflow
Aug 13, 2013 · Each search algorithm comes in several variations that can make significant differences to its performance, as, for example, this paper illustrates. Benchmark your service …
Circle line-segment collision detection algorithm? - Stack Overflow
Jul 2, 2009 · I have a line from A to B and a circle positioned at C with the radius R. What is a good algorithm to use to check whether the line intersects the circle? And at what coordinate …
algorithm - Find the majority element in array - Stack Overflow
Dec 1, 2010 · The algorithm for first phase that works in O (n) is known as Moore’s Voting Algorithm. Basic idea of the algorithm is if we cancel out each occurrence of an element e with …
What algorithm gives suggestions in a spell checker? [closed]
What algorithm is typically used when implementing a spell checker that is accompanied with word suggestions? At first I thought it might make sense to check each new word typed (if not …