Vectors and Matrices

Master vector operations from addition and subtraction to linear combinations and polar form.

82 Lessons1069 Exercises

Vectors

Vector Addition

Drawing Vectors

Component-Wise Addition

Level Review

Opposite Vectors

Vector Subtraction

Drawing Differences

Vector Differences

Level Review

Scalar Multiplication

Reversing Direction

Linear Combinations

Linear Combination Grids

Solving Linear Combinations

Drawing Linear Combinations

Linear Interpolation

Level Review

Magnitude and Direction

Drawing from Polar Form

Polar Angles

Finding the Polar Angle

Computing from Components

Level Review

Vector Components

Non-Polar Angles

Combining Vectors

Level Review

Adding Velocities

Velocity Magnitude and Direction

Velocity from Bearing

Combining Velocity Bearings

Relative Velocity

Level Review

Scaling and Magnitude

Unit Vectors

Comparing Unit Vectors

The Dot Product

Unit Vector Dot Products

Level Review

General Dot Products

Scaling Dot Products

Dot Product from Magnitudes

Angle from Dot Product

Self Dot Products

Orthogonal Dot Products

Level Review

Vectors from Combinations

Possible Combinations

Standard Basis Vectors

Level Review

Transforming Vectors

Transforming Basis Vectors

Linear Transformations

Transforming Combinations

Plotting Transformed Vectors

Non-Integer Combinations

Level Review

Matrices as Transformations

Transforming via Matrices

Transforming Shapes

Diagonal Matrices

Rotations and Reflections

Shear Transformations

Degenerate Transformations

Level Review

Matrix-Vector Multiplication

Matrix as Multiple Vectors

Matrix Addition and Subtraction

Scalar Matrix Multiplication

Level Review

Matrix Multiplication

Matrix Dimensions

Sizing and Multiplying

The Identity Matrix

Level Review

Multiple Transformations

Composing Transformations

Composing by Multiplying

Squaring and Cubing

Level Review

Transformed Areas

Determinant of a Triangular Matrix

Determinant of any 2 by 2 Matrix

Computing Determinants

Determinant 0

Negative Determinants

Level Review

The Inverse Matrix

Producing the Identity

Inverting a Matrix

Computing the Inverse Matrix

Non-invertible Matrices

Level Review

Systems of Equations

Matrices as Systems of Equations

Solving Systems of Equations

Solving with Inverses

Level Review


Course description

First you'll learn to understand vectors as a shift in space, before learning to and and subtract them, work out their magnitude and direction, and break down vectors into their components.


Topics covered

  • Vectors as a shift in space.
  • Addition.
  • Subtraction.
  • Linear Combinations.
  • Magnitude and Direction.

Prerequisites and next steps

Assumes knowledge of basic algebraic expressions and trigonometry.