| Class | Description | 
|---|---|
| Matrix3D | 
 A  
Matrix3D is a 3-by-3 matrix used for general linear applications. | 
| RotationMatrix | 
 A  
RotationMatrix is a 3-by-3 matrix used to represent 3d orientations. | 
| RotationScaleMatrix | 
 A  
RotationScaleMatrix is a 3-by-3 matrix that represents a 3D orientation times a
 diagonal matrix holding on scale factors. |