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The Kruskal count [1] [2] (also known as Kruskal's principle, [3] ... in 1963 and translated to English with the assistance of the author.) ...
Martin David Kruskal (/ ˈ k r ʌ s k əl /; September 28, 1925 – December 26, 2006) [1] was an American mathematician and physicist.He made fundamental contributions in many areas of mathematics and science, ranging from plasma physics to general relativity and from nonlinear analysis to asymptotic analysis.
Kruskal count principle: Image title: Explanation of the Kruskal Count mathematical magic trick, by CMG Lee. A volunteer picks a number on a clock face. Starting from 12, we move clockwise the same number of spaces as letters in the number spelled out, with wraparound. We move clockwise again the same number of spaces as letters in the new number.
English: An animation of generating a 30 by 20 maze using Kruskal's algorithm. Date: 29 May 2014, 14:30:25: Source: Own work: Author: Filippo Vigani: Licensing.
The Kruskal–Szekeres coordinates also apply to space-time around a spherical object, but in that case do not give a description of space-time inside the radius of the object. Space-time in a region where a star is collapsing into a black hole is approximated by the Kruskal–Szekeres coordinates (or by the Schwarzschild coordinates).
Kruskal's algorithm [1] finds a minimum spanning forest of an undirected edge-weighted graph. If the graph is connected , it finds a minimum spanning tree . It is a greedy algorithm that in each step adds to the forest the lowest-weight edge that will not form a cycle . [ 2 ]
William Henry Kruskal (/ ˈ k r ʌ s k əl /; October 10, 1919 – April 21, 2005) was an American mathematician and statistician. He is best known for having formulated the Kruskal–Wallis one-way analysis of variance (together with W. Allen Wallis ), a widely used nonparametric statistical method .
A special case of Goodman and Kruskal's gamma is Yule's Q, also known as the Yule coefficient of association, [5] which is specific to 2×2 matrices. Consider the following contingency table of events, where each value is a count of an event's frequency: