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 …
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 …
The best shortest path algorithm - Stack Overflow
What is the difference between the "Floyd-Warshall algorithm" and "Dijkstra's Algorithm", and which is the best for finding the shortest path in a graph? I need to calculate the shortest path …
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 …
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 - Fastest Sorting Technique - Stack Overflow
I have been trying various sorting algorithms for past few days. Starting from 1) Algorithms with O(n^2) time complexity sorting 2) O(n log n) time complexity with in place and out of place sorting
algorithm - When should I use Kruskal as opposed to Prim (and …
Mar 20, 2019 · I was wondering when one should use Prim's algorithm and when Kruskal's to find the minimum spanning tree? They both have easy logics, same worst cases, and only …
Finding the median of an unsorted array - Stack Overflow
May 19, 2012 · There is still no linear algorithm in existence AFAIK for finding the median of an arbitrary, unsorted dataset. Think about it - a dataset that contains values 1..25 has true …
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 - Bellman-Ford vs Dijkstra: Under what circumstances is ...
76 After a lot of Googling, I've found that most sources say that the Dijkstra algorithm is "more efficient" than the Bellman-Ford algorithm. But under what circumstances is the Bellman-Ford …