Fourth-dim explanation, preliminary.
More notes to Z-NOTES.txt.
Expanding on Z-NOTES.txt.
Adding the beginnings of Z-NOTES.txt.
Renaming some parameters in Matrices.
Adding Javadoc comments to the transform() functions in Matrices class.
Using the call Matrices.newMatrix() to instantiate.
Making use of Matrices.newMatrix().
Tidying up some things in class Matrices.
Adding the missing offset functions to Vectors.
