How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
An O(ND) Difference Algorithm and its Variations (1986, Eugene W. Myers) is a fantastic paper and you may want to start there. It includes pseudo-code and a nice visualization of the graph …
algorithm - Calculate distance between two latitude-longitude …
Aug 26, 2008 · Some of the answers do refer to Vincenty's formula for ellipsoids, but that algorithm was designed for use on 1960s' era desk calculators and it has stability & accuracy …
algorithm - Finding all possible combinations of numbers to reach …
Jan 8, 2011 · Here is a Java version which is well suited for small N and very large target sum, when complexity O(t*N) (the dynamic solution) is greater than the exponential algorithm. My …
algorithm - What does O (log n) mean exactly? - Stack Overflow
Feb 22, 2010 · Algorithm 1: Algorithm 1 prints hello once and it doesn't depend on n, so it will always run in constant time, so it is O(1). print "hello"; Algorithm 2: Algorithm 2 prints hello 3 …
Where can I find information on the D* or D* Lite pathfinding …
Aug 2, 2010 · It's designed to clearly show how the algorithm responds to changes in the environment, which is a key feature of D* Lite. I've also put together a comprehensive …
What are some algorithms for comparing how similar two strings …
You may use the algorithm of computing the length of the longest common sub-sequence to solve the problem. If the length of the longest common sub-sequence for both the input strings is …
What is the fastest substring search algorithm? - Stack Overflow
Aug 13, 2013 · This means any algorithm with non-constant (or large constant) storage requirements will need to have a fallback case for allocation failure (and performance in the …
algorithm - Big O, how do you calculate/approximate it? - Stack …
Dec 19, 2019 · Big-O does not measure efficiency; it measures how well an algorithm scales with size (it could apply to other things than size too but that's what we likely are interested here) - …
What algorithm can be used for packing rectangles of different …
Bottom-Left (BL) Algorithm BL first order items by non-increasing width. BL packs the next item as near to the bottom as it will fit and then as close to the left as it can go without overlapping with …
algorithm - What is the best way to get the minimum or maximum …
Jan 8, 2009 · Then there is an algorithm that finds the min and max in 3n/2 number of comparisons. What one needs to do is process the elements of the array in pairs. The larger of …