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The dot product | Magnetic forces, magnetic fields, and Faraday's law | Physics | Khan Academy
 
10:33
Introduction to the vector dot product. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/electric-motors/v/dot-vs-cross-product?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/electric-motors/v/magnetism-11-electric-motors?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 449315 Khan Academy
Dot Product of Two Vectors
 
50:45
This physics & precalculus video tutorial explains how to find dot product of two vectors and how to find the angle between vectors. In addition, it explains how to determine if two vectors are orthogonal / perpendicular, parallel, or neither using the dot product formula and by analyzing the slope. This video contains plenty of examples and practice problems. Here is a list of topics: 1. Dot Product of Two Vectors 2. How to Find the Angle Between Two Vectors Using Cosine & Tangent 3. How to find the magnitude of a vector 4. Geometric Interpretation of Vectors 5. Parallel and Perpendicular Vectors 6. How to determine if two vectors are orthogonal using the dot product formula and by finding the slope 7. How to express a vector in component form given magnitude and angle 8. Dot product of Two Vectors Using Three Components in i j k 9. Graphical Representation of Vectors
Calculus 3 Lecture 11.3:  Using the Dot Product
 
02:29:04
Calculus 3 Lecture 11.3: Using the Dot Product: Explanation of the Dot Product, Finding the angle between two vectors including how the Dot Production show orthogonal vectors, Vector Projection, Work, and Direction angles.
Views: 123775 Professor Leonard
Dot vs. cross product | Physics | Khan Academy
 
10:46
Understanding the differences between the dot and cross products. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/electric-motors/v/calculating-dot-and-cross-products-with-unit-vector-notation?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/electric-motors/v/the-dot-product?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 434060 Khan Academy
Vectors - The Dot Product
 
07:27
Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! For more FREE math videos, visit http://PatrickJMT.com !! Vectors - The Dot Product. I show how to compute the dot product of two vectors, along with some useful theorems and results involving dot products. 3 complete examples are shown.
Views: 883719 patrickJMT
Vector dot product and vector length | Vectors and spaces | Linear Algebra | Khan Academy
 
09:10
Definitions of the vector dot product and vector length Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/proving-vector-dot-product-properties?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/subspace_basis/v/linear-algebra-basis-of-a-subspace?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to KhanAcademy’s Linear Algebra channel:: https://www.youtube.com/channel/UCGYSKl6e3HM0PP7QR35Crug?sub_confirmation=1 Subscribe to KhanAcademy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 656670 Khan Academy
Dot Product Formula Explained - Find Angle Between Two Vectors - Physics
 
13:36
This physics video tutorial shows you how to find the dot product of two vectors represented in component form. It provides the formulas and equations needed for the calculation as well providing plenty of examples and practice problems. This video also shows you how to find the angle between two vectors.
Dot Product : Find Angle Between Two Vectors , Another Example
 
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Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Dot Product : Find Angle Between Two Vectors. Here I do another quick example of using the dot product to find the angle between two vectors.
Views: 347655 patrickJMT
Cross Product and Dot Product: Visual explanation
 
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Visual interpretation of the cross product and the dot product of two vectors. My Patreon page: https://www.patreon.com/EugeneK
The meaning of the dot product | Linear algebra makes sense
 
13:04
This video explains why the dot product is about how much vectors point the same way.
The Vector Dot Product
 
06:59
We learned how to add and subtract vectors, and we learned how to multiply vectors by scalars, but how can we multiply two vectors together? There are two ways to do this, and one of them is called the dot product. Let's learn how to find the dot product of two vectors now! Subscribe: http://bit.ly/ProfDaveSubscribe [email protected] http://patreon.com/ProfessorDaveExplains http://professordaveexplains.com http://facebook.com/ProfessorDaveExpl... http://twitter.com/DaveExplains Mathematics Tutorials: http://bit.ly/ProfDaveMaths Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio American History Tutorials: http://bit.ly/ProfDaveAmericanHistory
Proving vector dot product properties | Vectors and spaces | Linear Algebra | Khan Academy
 
10:45
Proving the "associative", "distributive" and "commutative" properties for vector dot products. Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/proof-of-the-cauchy-schwarz-inequality?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/vector-dot-product-and-vector-length?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to KhanAcademy’s Linear Algebra channel:: https://www.youtube.com/channel/UCGYSKl6e3HM0PP7QR35Crug?sub_confirmation=1 Subscribe to KhanAcademy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 309372 Khan Academy
Dot Product
 
06:23
The DOT PRODUCT or SCALAR PRODUCT: Shows the basics of the dot product using unit vectors. Here's a Fun Gift Idea for Perfect for Your Mom or Dad or That Fun Uncle or Aunt Who Has Always Teased You! "Is This Really YOUR Book? A Collection of 61 Awkward Book Covers Designed to Surprise Your Friends" http://www.isthisreallyyourbook.com (Please Note: At this time we only deliver to U.S. and Canada.)
Views: 41218 lasseviren1
Calculus 3 - The Dot Product
 
13:34
This calculus 3 video tutorial explains how to find the dot product between two vectors. The result of the dot product is a scalar quantity where as the result of the cross product is a vector quantity. Subscribe: https://www.youtube.com/channel/UCEWpbFLzoYGPfuWUMFPSaoA?sub_confirmation=1 Calculus Video Playlist: https://www.youtube.com/watch?v=1xATmTI-YY8&t=25s&list=PL0o_zxa4K1BWYThyV4T2Allw6zY0jEumv&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor
Using Dot Product to Find the Angle Between Two Vectors
 
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Using Dot Product to Find the Angle Between Two Vectors. You can use one of the dot product formulas to actually compute the angle between two vectors. Here we show how to use this formula to find an angle theta between two vectors Subscribe on YouTube: http://bit.ly/1bB9ILD Leave some love on RateMyProfessor: http://bit.ly/1dUTHTw Send us a comment/like on Facebook: http://on.fb.me/1eWN4Fn
Views: 39385 Firefly Lectures
Dot product of two vectors: Example
 
01:41
Learn via an example what is the dot product of two vectors. For more videos and resources on this topic, please visit http://ma.mathforcollege.com/mainindex/02vectors/
Views: 13442 numericalmethodsguy
How To Find The Angle Between Two Vectors Using The Dot Product
 
06:47
This video explains how to find the angle between two vectors using the dot product.
Dot product and angle between two vectors proof
 
07:53
The angle between two vectors can be found by using the cosine rule in a clever way. Learn by viewing, master by doing www.virtuallypassed.com
Views: 8757 Virtually Passed
Calculating dot and cross products with unit vector notation | Physics | Khan Academy
 
09:47
Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/magnetic-flux-faradays-law/v/flux-and-magnetic-flux?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/electric-motors/v/dot-vs-cross-product?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 326720 Khan Academy
Math for Game Developers - Backstabbing (Dot Product)
 
08:46
Determining if a player is stabbing another player in the back using a dot product. See part 2 here: http://www.youtube.com/watch?v=HXpSQ7yyu3o Question? Leave a comment below, or ask me on Twitter: https://twitter.com/VinoBS
Views: 45428 Jorge Rodriguez
Dot Product to Multiply Vectors
 
00:41
Learn how to find the Dot Product of two Vectors in this free math video tutorial by Mario's Math Tutoring. Learn the formula for using the dot product to multiply vectors as well as go through some examples. 0:13 Formula for Taking the Dot Product of 2 Vectors 0:36 Example 1 Taking the Dot Product of (2,3) and (-1,4) 0:54 Example 2 Taking the Dot Product of (3,-2) and (4,6) 1:10 Expaining How if You Know if the Vectors are Orthogonal Related Videos: My Vector Videos Playlist (Learn All About Vectors Here) https://www.youtube.com/playlist?list=PLHRatQsym1_hVNbti7Iy7xR1CKxUzY3Bw Looking to raise your math score on the ACT and new SAT? Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at http://mariosmathtutoring.teachable.com For online 1-to-1 tutoring or more information about me see my website at: http://www.mariosmathtutoring.com * Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below) http://www.mariosmathtutoring.com/free-math-videos.html
Views: 1802 Mario's Math Tutoring
Intro to the Vector Dot Product: How to code a Field of View in Godot
 
08:33
Learn how to use the vector dot product to detect if an enemy is within the player’s cone of vision or FOV. Make Professional 2d Games (Kickstarter): https://gumroad.com/gdquest ---- The source project: http://bit.ly/intro-to-dot-product Vectors are essential when it comes to 2-D game creation. We talked about arithmetics. it’s time to go one step further with the dot product. You can not only use it to get the exact angle between 2 vectors using trigonometry: it also helps to detect whether 2 characters are facing the same direction or away from one another. New tutorial every day until June 22! 19/30 The playlist: https://youtube.com/playlist?list=PLhqJJNjsQ7KEr_YlibZ3SBuzfw9xwGduK Project sources on Github: https://github.com/GDquest/Godot-30-days-tutorial-challenge-2017 This tutorial is supported by: - Gamblify: https://www.gamblify.com/ - Pineapple Works: http://pineapple.works/ - Play it Forward Space Subscribe to the channel now and become a member of the community! https://youtube.com/c/Gdquest?sub_confirmation=1 Follow GDquest on: Twitter: https://twitter.com/NathanGDquest Google Plus: http://bit.ly/GDquest-Google-Plus
Views: 11849 GDquest
6.5: Vectors: Dot Product and Scalar Projection - The Nature of Code
 
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This video provides an overview of the formula for and applications of the vector dot product. It covers scalar projection. It serves as the basis for the next video about Path Following. Read along: http://natureofcode.com/book/chapter-6-autonomous-agents/#chapter06_section7 More info: http://en.wikipedia.org/wiki/Dot_product Code from video: https://github.com/shiffman/The-Nature-of-Code-Examples/tree/master/chp06_agents/Exercise_6_09_AngleBetween https://github.com/shiffman/The-Nature-of-Code-Examples/tree/master/chp06_agents/SimpleScalarProjection Help us caption & translate this video! http://amara.org/v/Qbvg/
Views: 13788 The Coding Train
Matlab Tutorial - 25 - Calculating the Vector Dot Product and Cross Product
 
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Get more lessons like this at http://www.MathTutorDVD.com Learn how to calculate the dot product between two vectors using matlab. We will also learn how to enter and calculate the vector cross product using matlab.
Views: 582 mathtutordvd
Dot Product and Projection
 
08:18
Paul Johnston showing how to use the dot product to project a vector onto another vector.
Views: 5715 Jamie King
Dot Product - Finding the Angle Between Two Vectors & Inverse Tangent - Physics
 
15:16
This Physics and Trigonometry video tutorial shows you how to find the angle between two vectors using the dot product in addition to another simple intuitive method using inverse tangent. This video may be useful for students taking precalculus. This video contains plenty of examples and practice problems.
Work and Dot Product
 
08:22
Views: 3514 Matt Anderson
Dot Product & Cross Product of Two Vectors - i j k- Vector Notation Physocs
 
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This physics video tutorial shows you how to calculate the dot product and cross product of two vectors using cartesian vector notation. It also shows you how to calculate the dot product and cross product given the magnitudes of the two vectors and the angle between them. It also explains the cross product of the following: ixj=k, jxk=i, kxi=j, jxi=-k, kxj=-i, ixk=-j, ixi=0, jxj=0, kxk=0
Calculate The Dot Product of Two Vectors Using A Casio Fx 991ES PLUS
 
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This video shows you how to use a Casio Fx-991ES Plus calculator to calculate a dot product of two vectors.
Views: 9528 Calculator Expert
Physics - Mechanics: Vectors (15 of 21) Product Of Vectors: Dot Product: Finding the Angle
 
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Visit http://ilectureonline.com for more math and science lectures! In this video I will show you how to calculate the angle in between of 2 vectors using the dot product. Next video in this series can be seen at: https://youtu.be/C2nHuDNUW5o
Views: 31982 Michel van Biezen
Calculus III: The Dot Product (Level 11 of 12) | Work, Examples VIII
 
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This video goes over the dot product also known as the scalar product. This video goes over how to find the work done by a constant force. 4 examples are also presented illustrating how to solve work problems. #calculus3 #math #school Have a math question? Join our Simor.org class and get your questions answered for free! Geometry: https://www.simor.org/user/35492/math_fortress/rooms/35492-geometry Calculus I: https://www.simor.org/user/35492/math_fortress/rooms/35492-calculus-i-differential-calculus Calculus II: https://www.simor.org/user/35492/math_fortress/rooms/35492-calculus-ii-integral-calculus Calculus III: https://www.simor.org/user/35492/math_fortress/rooms/35492-calculus-iii-multivariable-calculus ►Website, Worksheets and Equation Sheets◄ http://www.mathfortress.com/ ►Watch Videos Ad Free!◄ Udemy: http://www.udemy.com/u/mathfortress/ Curious.com : https://curious.com/?ref=FebpNqD89ZA SkillShare: https://www.skillshare.com/r/user/mathfortress Amazon Prime Video: http://a.co/9RSFlgw ►Social Media◄ Facebook: http://www.facebook.com/MathFortress Twitter: https://twitter.com/MathFortress Google+: https://plus.google.com/+MathFortresss Pinterest: http://pinterest.com/mathfortress/ Tumblr: http://mathfortress.tumblr.com/ ►Donate (Help Strengthen the Fortress!)◄ Patreon: https://www.patreon.com/MathFortress PayPal: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=AH6HCHUED4H9C Bitcoin: 16NaDKvXa25TuQQ9813CtoWHGrn4g7urQp Bitcoin Cash: 12TvhGQk1wATXpoQcDJCa7Yc9UAnks91Kk Ethereum: 0x99d0295e78147b920fE493cC876a74fBC53EECB7 Litecoin: LdvzBC4nTx1ERu6QwbhVaBU4n1UPYs2jME
Views: 5182 Math Fortress
Dot and Cross Products
 
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This is part of the Introduction to Electrodynamics series. Here, I compare the dot and cross products of two vectors from a geometric perspective.
Views: 209066 Real Physics
vector dot product in calculator
 
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vector dot product in calculator.calculation of dot product of vector using calculator. after watching this video you will able to calculate dot product of vector using calculator.using calculator 991es you will solve dot product of vector product easily.vector product in calculator,
Views: 8825 Arohan kumar
Prove Cosine Law With Dot Product of Vectors
 
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For Guidance Contact : [email protected]
Views: 16534 Anil Kumar
Angle Between Two Vectors Using Dot Product
 
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Multivariable Calculus: Find the angle between the vector u=(sqrt(3)+1, sqrt(3)-1) and v=(sqrt(3), -1) using the dot product.
Views: 41364 MathDoctorBob
Coding For Physics Majors: Dot Products In Python
 
10:02
If you're new to coding, it might not be clear how to tie together things like calling functions, looping, and using arrays simultaneously. In this video I show you how to write a code to perform a dot product on two vectors using all of those aspects.
Views: 4789 Andrew Dotson
Proving Dot Product Formula
 
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In this video, I offer a proof of the formula presented at the end of the dot product video. Specifically V*U=|V||U|cos(theta) Law of Cosines: http://en.wikipedia.org/wiki/Law_of_cosines Vector subtraction: http://hotmath.com/hotmath_help/topics/adding-and-subtracting-vectors.html
Views: 11776 Kibblesnbits
Proof of Law of Cosines using Dot Product
 
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We show that the law of cosines and the dot product are consistent with each other.
Views: 2153 AbrahamPhysics
Dot Product and Cross Product
 
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This video will show users how to calculate the dot product and cross product between two vectors using the TI-nSpire.
Views: 39479 PiedmontCC Math4U
Scalar Dot Product As Vector Projection Component
 
09:20
For Guidance Contact Anil Kumar : [email protected]
Views: 8203 Anil Kumar
Applications of the Dot Product and Cross Product
 
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This video shows 3 examples of applications using the dot product and/or the cross product (torque, vector projection in 3-Space and volume of a parallelepiped). This lesson was created for the Calculus and Vectors (MCV4U) course in the province of Ontario, Canada.
Views: 12023 AlRichards314
Dot Product parallel Perpendicular Vectors
 
04:12
For Guidance Contact : [email protected]
Views: 4575 Anil Kumar
TI-36X Pro Vectors: Dot Product and Cross Product
 
02:30
In this short tutorial we will learn how to use the vector functions on the TI-36X Pro. This will allow us to manipulate vectors and find dot and cross products.
Views: 20782 Calculator Expert
Vector Projection and Dot Product
 
05:23
We can project a vector onto another vector using the dot product. This tells us what portion of the first vector is parallel to the vector we are projecting onto. In games, we use this trick in several areas (graphics, physics, etc.)
Views: 1770 Jamie King
Projection Using Dot Product
 
04:20
3D vector projection using dot product. Engineer It is a video series created primarily to supplement engineering classes at CSU Chico, but also to expose non-engineers to these same concepts in an understandable way. For more information please visit the official website at www.csuchico.edu/engineerit
Views: 9307 EngineerItProgram
Finding Angles Using Dot Products - Example 1
 
04:20
Finding Angles Using Dot Products - Example 1. An example where we find the angle between two vectors using dot products. Subscribe on YouTube: http://bit.ly/1bB9ILD Leave some love on RateMyProfessor: http://bit.ly/1dUTHTw Send us a comment/like on Facebook: http://on.fb.me/1eWN4Fn
Views: 3713 Firefly Lectures
Ti-84 Cross Product Program & Dot Product for Vectors (Triple Scalar Product)
 
04:47
Vector Cross Products are a big thing in Calculus 3, but they can be tedious to calculate due to all the repetitive arithmetic. So I’ve made a program to calculate a cross product for you or use to check an answer. You can easily expand it to use for the Triple Scalar Product of 3 vectors. Download the program http://www.mediafire.com/download/vrj42rkepyqb61c/A2CROSS.8xp ➤Dot products are simple: -2nd STAT -Left arrow to "MATH" -option 5 is sum( -type your 2 vectors in curly braces separated by commas -sum( {1,2,3}{3,4,5} -Press Enter & you’ve got the answer ➤Cross Products program: Input "{A,B,C}=",L3 Input "{D,E,F}=",L4 Disp "AXB=",{L3(2)L4(3)-L3(3)L4(2),L3(3)L4(1)-L3(1)L4(3),L3(1)L4(2)-L3(2)L4(1)} You could paste these 3 lines into the cemetech editor and create your own program https://www.cemetech.net/sc/ ➤When running the program you must enter the vectors in curly braces (the last one is optional) -So when it prompts "{A,B,C}=" you enter "{1,2,3" The program’s answer is a list NOT an actual vector (e.g. {2 4 5} (Notice no commas) If you need to use it as a vector, copy it manually ➤Scalar Triple Product: -is defined by a•(bXc) or b•(aXc) -so do a cross product first -then dot product that answer with the third vector Cross Product Definition http://www.mathportal.org/linear-algebra/vectors/cross-product.php Slightly Modified source https://answers.yahoo.com/question/index?qid=20110207191241AAOr0XA
Views: 30071 TanUv90
Center of Math Blog: Understanding a Proof of the Dot Product using a geometric approach
 
03:01
Using a geometric approach, Chloe answers a Youtube comment requesting a proof of the definition of the dot product.

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