In knot theory, a petal projection of a knot is a knot diagram with a single crossing, at which an odd number of non-nested arcs ("petals") all meet. Because the above-below relation between the branches of a knot at this crossing point is not apparent from the appearance of the diagram, it must be specified separately, as a permutation describing the top-to-bottom ordering of the branches. Every knot or link has a petal projection; the minimum number of petals in such a projection defines a knot invariant, the petal number of the knot. Petal projections can be used to define the Petaluma model, a family of probability distributions on knots with a given number of petals, defined by choosing a random permutation for the branches of a petal diagram. (Wikipedia).
What is the projection of one vector on another one and how is it useful? Free ebook https://bookboon.com/en/introduction-to-vectors-ebook (updated link) Test your understanding via a short quiz http://goo.gl/forms/CpZUX1mFLS
From playlist Introduction to Vectors
Adding Vectors Geometrically: Dynamic Illustration
Link: https://www.geogebra.org/m/tsBer5An
From playlist Trigonometry: Dynamic Interactives!
Projection of One Vector onto Another Vector
Link: https://www.geogebra.org/m/wjG2RjjZ
From playlist Trigonometry: Dynamic Interactives!
This shows a 3d print of a mathematical sculpture I produced using shapeways.com. This model is available at http://shpws.me/q41V.
From playlist 3D printing
This video is used for Hologram technology, just make the hologram device at home with a very simple way, I'll put a video of how to make the Hologram device. Enjoy!
From playlist OPTICS
If you are interested in learning more about this topic, please visit http://www.gcflearnfree.org/ to view the entire tutorial on our website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you've learned.
From playlist 3D Printing
NuFormer 3D Video Mapping Projection on Buildings
NuFormer 3D Video Mapping Projection on Buildings Impressive and stylish projections on buildings, a renewing way of communicating. For those who want to carry out a message in a striking and visually attractive way with guaranteed exposure: 3D Projection on buildings is the communication
From playlist Projection Mapping inspirations
Introduction to D3.js with Shirley Wu
Linode $20 free credit https://linode.com/codingtrain (or code “CODINGTRAIN20”) Shirley Wu is an award-winning creative focused on data-driven art and visualizations. She has worked with clients such as Google, The Guardian, SFMOMA, and NBC Universal to develop custom, highly interactiv
From playlist Live Stream Archive
Lecture 11: Cache Consistency: Frangipani
Lecture 11: Cache Consistency: Frangipani MIT 6.824: Distributed Systems (Spring 2020) https://pdos.csail.mit.edu/6.824/
From playlist MIT 6.824 Distributed Systems (Spring 2020)
Determine if a set of points is a trapezoid or not
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of quadrilateral has its properties. Given four points that repr
From playlist Quadrilaterals on a Coordinate Plane
CSDM - Chaim Even Zohar - October 6, 2015
http://www.math.ias.edu/calendar/event/83624/1444141800/1444149000
From playlist Computer Science/Discrete Mathematics
Percentiles And Quartiles In Statistics | Percentiles And Quartiles Explained | Simplilearn
Percentiles and quartiles are fundamental building blocks for statistics and data analysis. This Percentiles and Quartiles in Statistics video will make you understand what percentiles and quartiles are and how to calculate each of them with the help of an example. You will learn how to in
How to Make Sunflower Heat Engine using Coffee Bag
How to make a sunflower heat engine using a coffee bag. This one is an unbalanced motor with petals that straighten and curl. Support RimstarOrg on Patreon https://www.patreon.com/user?u=680159 Subscribe for new videos every week http://www.youtube.com/user/rimstarorg?sub_confirmation=1
From playlist Science Projects
Sunflower Heat Engine in Sunlight/How it Works
Sunflower heat engine made from a coffee bag - running in sunlight and how-it-works. The demonstrations in sunlight include a comparison with the petals blackened. Support RimstarOrg on Patreon https://www.patreon.com/user?u=680159 Subscribe for new videos every week http://www.youtube.c
From playlist Science Projects
ggplot2 Tutorial | ggplot2 In R Tutorial | Data Visualization In R | R Training | Edureka
( R Training : https://www.edureka.co/data-analytics-with-r-certification-training ) This "ggplot2 Tutorial" by Edureka is a comprehensive session on the ggplot2 in R. This tutorial will not only get you started with the ggplot2 package, but also make you an expert in visualizing data wit
From playlist Data Science Tutorial Videos
This Bee Gets Punched by Flowers For Your Ice Cream | Deep Look
Alfalfa leafcutting bees are way better at pollinating alfalfa flowers than honeybees. They don’t mind getting thwacked in the face by the spring-loaded blooms. And that's good, because hungry cows depend on their hard work to make milk. Join our community on Patreon! https://www.patreon.
From playlist Deep Look | Series | KQED
Using the slope formula to determine if points make up a rectangle
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of quadrilateral has its properties. Given four points that repr
From playlist Quadrilaterals on a Coordinate Plane
Amzi Jeffs (6/3/20): Convex sunflower theorems and neural codes
Title: Convex sunflower theorems and neural codes Abstract: In the 1970s neuroscientists O'Keefe and Dostrovsky made a groundbreaking experimental observation: neurons called "place cells" in a rat's hippocampus are active in a convex subset of the animal's environment, and thus encode a
From playlist AATRN 2020
This video explains how to determine the projection of one vector onto another vector. http://mathispower4u.yolasite.com/
From playlist Vectors
Inside Terminal 4: Terminal of Tomorrow – Full Episode | National Geographic
In 2017, Changi Airport served a new high of 62 million passengers. By 2030, it plans to bring its capacity to more than 150 million passengers. The first step to this expansion is the opening of its new terminal – T4. Find out how Changi is pulling out all the stops to elevate the flight
From playlist News | National Geographic