Trees (data structures) | Geometric data structures
The PH-tree is a tree data structure used for spatial indexing of multi-dimensional data (keys) such as geographical coordinates, points, feature vectors, rectangles or bounding boxes. The PH-tree is space partitioning index with a structure similar to that of a quadtree or octree. However, unlike quadtrees, it uses a splitting policy based on tries and similar to Crit bit trees that is based on the bit-representation of the keys.The bit-based splitting policy, when combined with the use of different internal representations for nodes, provides scalability with high-dimensional data. The bit-representation splitting policy also imposes a maximum depth, thus avoiding degenerated trees and the need for rebalancing. (Wikipedia).
A quick definition of pH. Chem Fairy: Louise McCartney Director: Michael Harrison Written and Produced by Kimberly Hatch Harrison ♦♦♦♦♦♦♦♦♦♦ Ways to support our channel: ► Join our Patreon : https://www.patreon.com/socratica ► Make a one-time PayPal donation: https://www.paypal.me/so
From playlist Chemistry glossary
In this video phenol is synthesized from salicylic acid. I followed the procedure that I found here: http://www.sciencemadness.org/talk/viewthread.php?tid=27617 Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA ------------------------------------------- NileRed Store: https:/
From playlist Syntheses and Demonstrations
Graph Theory: 36. Definition of a Tree
In this video I define a tree and a forest in graph theory. I discuss the difference between labelled trees and non-isomorphic trees. I also show why every tree must have at least two leaves. An introduction to Graph Theory by Dr. Sarada Herke. Related Videos: http://youtu.be/zxu0dL436gI
From playlist Graph Theory part-7
This video introduces rooted trees and how to define the relationships among vertices in a rooted tree. mathispower4u.com
From playlist Graph Theory (Discrete Math)
Graph Theory: 39. Types of Trees
In this video we cover examples of types of trees that are often encountered in graph theory. --An introduction to Graph Theory by Dr. Sarada Herke. Links to the related videos: 36. Definition of a Tree - https://www.youtube.com/watch?v=QFQlxtz7f6g 37. Which Graphs are Trees - https://ww
From playlist Graph Theory part-7
Introduction to Spanning Trees
This video introduces spanning trees. mathispower4u.com
From playlist Graph Theory (Discrete Math)
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From playlist Biology
Benjamin Schweinhart (4/3/18): Persistent homology and the upper box dimension
We prove the first results relating persistent homology to a classically defined fractal dimension. Several previous studies have demonstrated an empirical relationship between persistent homology and fractal dimension; our results are the first rigorous analogue of those comparisons. Spe
From playlist AATRN 2018
Automorphy for coherent cohomology of Shimura varieties - Jun Su
Joint IAS/Princeton University Number Theory Seminar Topic: Automorphy for coherent cohomology of Shimura varieties Speaker: Jun Su Affiliation: Princeton University Date: December 5, 2017 For more videos, please visit http://video.ias.edu
From playlist Mathematics
Random Forest In R | Random Forest Algorithm | Random Forest Tutorial |Machine Learning |Simplilearn
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From playlist Data Science For Beginners | Data Science Tutorial🔥[2022 Updated]
MIT 24.900 Introduction to Linguistics, Spring 2022 Instructor: Prof. Norvin W. Richards View the complete course: https://ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022/ YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63BZGNOqrF2qf_yxOjuG35j This v
From playlist MIT 24.900 Introduction to Linguistics, Spring 2022
HSC Chemistry Acid/Base Reactions Measuring pH
From playlist Y12 Chem Mod 6 Acid/Base
CIE IGCSE Biology (Paper 2, June 2015) - GCSE Biology Revision - SCIENCE WITH HAZEL
In this CIE IGCSE Biology revision video, Hazel answers the CIE Biology Paper 2 June 2015 past exam paper. These videos are designed to help with your GCSE science revision. For additional support Like Hazel's Facebook Page https://goo.gl/w2261M Hazel completed her undergraduate degree
From playlist CIE IGCSE Science Exam Papers //
Graph Theory 37. Which Graphs are Trees
A proof that a graph of order n is a tree if and only if it is has no cycle and has n-1 edges. An introduction to Graph Theory by Dr. Sarada Herke. Related Videos: http://youtu.be/QFQlxtz7f6g - Graph Theory: 36. Definition of a Tree http://youtu.be/Yon2ndGQU5s - Graph Theory: 38. Three
From playlist Graph Theory part-7
An average-case depth hierarchy theorem for Boolean - Li-Yang Tan
Computer Science/Discrete Mathematics Seminar I Topic: An average-case depth hierarchy theorem for Boolean circuits I Speaker: Li-Yang Tan Affiliation: Toyota Technological Institute, Chicago Date: Monday, April 4 We prove an average-case depth hierarchy theorem for Boolean circuits
From playlist Mathematics
MIT 24.900 Introduction to Linguistics, Spring 2022 Instructor: Prof. Norvin W. Richards View the complete course: https://ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022/ YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63BZGNOqrF2qf_yxOjuG35j This v
From playlist MIT 24.900 Introduction to Linguistics, Spring 2022
pH of 10 Common Household Liquids | Chemistry | acid or base | pH scale
Ever wonder whether your coffee is acidic or not? How about your tap water? We’re testing the pH of 10 Common Household Liquids using a digital pH meter. Socratica sends a big thank you to Rozway for sending us their digital pH meter to use in this video! You can buy your very own Rozw
From playlist Chemistry Lessons
Lec 30 | MIT 3.091 Introduction to Solid State Chemistry
Biochemistry: The Amino Acids, Peptides, and Proteins View the complete course at: http://ocw.mit.edu/3-091F04 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
From playlist MIT 3.091 Introduction to Solid State Chemistry, Fall 2004
Morphing Symmetric Binary Trees (visual calming for anxiety; bilateral stimulation)
A symmetric binary tree is obtained by applying certain affine linear transformations recursively to the leaves starting with a trunk of unit length. This video shows six different scale factors and morphs between various angles of rotation. The animation is set to Bilateral music to help
From playlist Fractals