In 7-dimensional geometry, there are 128 uniform polytopes with B7 symmetry. There are two regular forms, the 7-orthoplex, and 8-cube with 14 and 128 vertices respectively. The 7-demicube is added with half of the symmetry. They can be visualized as symmetric orthographic projections in Coxeter planes of the B7 Coxeter group, and other subgroups. (Wikipedia).
A-Level Maths: B8-04 Functions: One-to-One, Many-to-One, One-to-Many, Many-to-Many
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From playlist A-Level Maths B8: Functions
A-Level Maths: B7-25 [Graphs: Examples of finding Points of Intersection between Two Curves]
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From playlist A-Level Maths B7: Graphs & Proportion
Positive Grassmannian and polyhedral subdivisions – Alexander Postnikov – ICM2018
Combinatorics Invited Lecture 13.2 Positive Grassmannian and polyhedral subdivisions Alexander Postnikov Abstract: The nonnegative Grassmannian is a cell complex with rich geometric, algebraic, and combinatorial structures. Its study involves interesting combinatorial objects, such as po
From playlist Combinatorics
A-Level Maths: B7-02 [Graphs: Sketching Quadratics, Cubics, Quartics and Quintics]
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From playlist A-Level Maths B7: Graphs & Proportion
A-Level Maths: B7-18 [Graphs: Introducing Reciprocal Graphs of the form y = a/x]
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From playlist A-Level Maths B7: Graphs & Proportion
In this video I take a look at the slope of a curve (that is not straight line).
From playlist Biomathematics
A-Level Maths: B7-23 [Graphs: Introducing finding Points of Intersection]
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From playlist A-Level Maths B7: Graphs & Proportion
Excel Finance Class 06: Relative and Absolute Cell References in Copied Formulas
Download Excel File: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/Finance&ExcelCh00ExcelWorkbook.xlsx Download pdf notes: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/Finance&Excelch00pdf.pdf Learn about Relative and Absolute Cell References in Formulas. Learn how to sa
From playlist Excel Finance Free Course at YouTube. Cash Flow Analysis and Model Building (110 Videos).
Excel IF Contains Excel IF cell contains text Excel IF contains excel like wildcard excel wildcard excel like wildcard if How can you test which cells in Excel contain text? Can you use an IF statement in Excel to find which cells contain certain text? This video looks at COUNTIF, FIND,
From playlist Excel Functions
Biological Sciences M121. Immunology with Hematology. Lecture 16. T Cell-Mediated Immunity.
UCI BioSci M121: Immunology with Hematology (Fall 2013) Lec 16. Immunology with Hematology -- T Cell-Mediated Immunity -- View the complete course: http://ocw.uci.edu/courses/biosci_m121_immunology_with_hematology.html Instructor: Craig M. Walsh, Ph.D. License: Creative Commons CC-BY-SA T
From playlist Biological Sciences M121: Immunology with Hematology
Excel Magic Trick 100: Instead of Long IF, Use MEDIAN function Commission W Hurdle Calculation
Download Files: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/MikeGelGirvinYouTubeExcelMagicTricks100.xls https://people.highline.edu/mgirvin/YouTubeExcelIsFun/MikeGelGirvinYouTubeExcelMagicTricks100Finished.xls Formula from Mr Excel Challenge at Mr Excel web site. You will not b
From playlist Excel Series: Magic Tricks (1st 200 Videos)
A-Level Maths: B8-01 Functions: What is a Function?
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From playlist A-Level Maths B8: Functions
Vacuum Tube Computer P.01 – Architecture and the MC14500B
In this episode, we take our first step towards building a vacuum tube computer! There’s a lot of different architectures out there, so we take a look at one that will hopefully work well for us. This is going to be a long road with lots of speedbumps and testing along the way. It should b
From playlist Vacuum Tube Computer
Stephan Weltge: Binary scalar products
We settle a conjecture by Bohn, Faenza, Fiorini, Fisikopoulos, Macchia, and Pashkovich (2015) concerning 2-level polytopes. Such polytopes have the property that for every facet-defining hyperplane H there is a parallel hyperplane H0 such that H and H0 contain all vertices. The authors con
From playlist Workshop: Tropical geometry and the geometry of linear programming
Raman Sanyal: Polyhedral geometry of pivot rules
Geometrically, a linear program gives rise to a polyhedron together with an orientation of its graph. A simplex method selects a path from any given vertex to the sink and thus determines an arborescence. The centerpiece of any simplex method is the pivot rule that selects the outgoing edg
From playlist Workshop: Tropical geometry and the geometry of linear programming
Classifying Cat vs Dogs | Kaggle Top 1%, No Ensemble
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From playlist Kaggle Competition Solutions
The TALOS Principle Live Stream B6 & B7
My next live stream will be Tuesday at 7PM EST / New York Time In this Live Stream I beat both the levels B6 and B7 and the complete B level of The TALOS Principle!!! Thank you so much for everyone that joined me live! You guys are super awesome! I live stream every Monday at 8PM EST /
From playlist Live Stream Gaming
A-Level Maths: B9-06 [Graph Transformations: Investigating y = f(kx)]
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From playlist A-Level Maths B9: Graph Transformations
Steffen Borgwardt: The role of partition polytopes in data analysis
The field of optimization, and polyhedral theory in particular, provides a powerful point of view on common tasks in data analysis. In this talk, we highlight the role of the so-called partition polytopes and their studies in clustering and classification. The geometric properties of parti
From playlist Workshop: Tropical geometry and the geometry of linear programming