
algorithm - Finding all possible combinations of numbers to reach …
Jan 8, 2011 · How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number? A brief example: Set of numbers to …
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 - 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 …
How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
Here is a page that includes a bit of documentation, full source code, and examples of a diff algorithm using the techniques in the aforementioned algorithm. The source code appears to …
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 …
Image comparison - fast algorithm - Stack Overflow
Each algorithm is best suited for certain types of image transformations and you can take advantage of that. At the top, the fastest algorithms; at the bottom the slowest (though more …
a star - A* Search Algorithm - Stack Overflow
At each iteration the algorithm chooses a node to expand from the open set (the one with the lowest f function - the f function is the sum of the cost the algorithm already knows it takes to …
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 …
algorithm - Difference and advantages between dijkstra & A star
Oct 23, 2012 · A* is just like Dijkstra, the only difference is that A* tries to look for a better path by using a heuristic function which gives priority to nodes that are supposed to be better than …
What is the difference between an Algorithm and a Method
May 18, 2009 · In CS, the algorithm is the steps and the method is the means by which we do an action. All the math formulas would be algorithms as they give us instructions how to find or do …