All Notes

A matrix as a transformation of a space.

The set of vectors that defines space.

In Roblox, a CFrame (coordinate frame) is an object that encodes position and rotation in 3D space.

A measurement of an angle in radiuses

A matrix that reverses a transformation.

A square matrix with 1s on the diagonal and 0s elsewhere — multiplying by it leaves any matrix unchanged.

Notes from Coursera's Mathematics for Machine Learning: Linear Algebra by Imperial College London

The Law of Cosines expresses the relationship between the length of a triangle's sides and one of its angles.

Notes from the Khan Academy video series on the Law of Cosines

Roblox's 3D vector type.