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- algorithm - Finding all possible combinations of numbers to reach a . . .
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 add: N = {1,5,22,15,0
- algorithm - Calculate distance between two latitude-longitude points . . .
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 unde
- algorithm - How to generate Sudoku boards with unique solutions - Stack . . .
How do you generate a Sudoku board with a unique solution? What I thought was to initialize a random board and then remove some numbers But my question is how do I maintain the uniqueness of a sol
- algorithm - Peak signal detection in realtime timeseries data - Stack . . .
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 given x number of standard deviations away from a moving mean, the algorithm gives a signal The algorithm is very robust because it constructs a separate moving mean and deviation, such that previous
- 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 papers then looking at the source code for an implementation should be more than enough to understand how it works
- What is the difference between a heuristic and an algorithm?
An algorithm is a self-contained step-by-step set of operations to be performed 4, typically interpreted as a finite sequence of (computer or human) instructions to determine a solution to a problem such as: is there a path from A to B, or what is the smallest path between A and B
- What are some algorithms for comparing how similar two strings are?
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 minimum number of single-character edits required to change one word into the other Strings do not have to be the same length Hamming Distance : The number of characters that are different in two equal length
- algorithm - Difference between Big-O and Little-O Notation - Stack Overflow
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 find the minimum on (at least) one of these two instances In other words, finding the minimum in an array is in not in o(n) and is therefore in 𝛺(n)
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