
Vector examples (video) | Vectors | Khan Academy
In the last video I was a little formal in defining what Rn is, and what a vector is, and what vector addition or scalar multiplication is. In this video I want to kind of go back to basics and just give …
Vector examples (video) | Vectors | Khan Academy
In the last video I was a little formal in defining what Rn is, and what a vector is, and what vector addition or scalar multiplication is. In this video I want to kind of go back to basics and just give …
Vectors | Algebra (all content) | Math | Khan Academy
This topic covers: - Vector magnitude - Vector scaling - Unit vectors - Adding & subtracting vectors - Magnitude & direction form - Vector applications
Vector transformations (video) | Khan Academy
A position vector is a vector with its tail in O (0,0,0) and its head in P (x1, x2, x3). However, since it is a vector, we need to consider the associated unit vectors with each component in the …
Adding vectors algebraically & graphically - Khan Academy
To add the vectors (x₁,y₁) and (x₂,y₂), we add the corresponding components from each vector: (x₁+x₂,y₁+y₂). Here's a concrete example: the sum of (2,4) and (1,5) is (2+1,4+5), which is …
Vectors and notation (article) - Khan Academy
When a vector is just a list of numbers, we can visualize it as an arrow in space. For example, we visualize the vector (4, 2) as an arrow whose tail is at the origin and whose tip is at the point …
Vectors and spaces | Linear algebra | Math | Khan Academy
Vector intro for linear algebra Real coordinate spaces Adding vectors algebraically & graphically Multiplying a vector by a scalar Vector examples Unit vectors intro Parametric representations …
Unit vector notation (video) | Khan Academy
Learn how to factor in magnitude and direction when adding and subtracting vectors. See how to break vectors into x and y components, and how to use unit vector notation to label vectors in …
Intro to vectors (article) | Vectors | Khan Academy
As an introduction to vectors, we’re going to live in two dimensions. All of these examples can be fairly easily extended to three dimensions (and the object we will use— PVector —allows for …
Recognizing vectors (video) | Kinematics | Khan Academy
Watch Sal figure out which of a few options could be represented by a vector. Remember that vectors have both magnitude and direction!