Classical: Vector Algebra (textbooks In Mathemat...

They split quaternion multiplication into two distinct operations:

By the late 19th century, scientists were frustrated. had written his famous equations for electromagnetism using quaternions, but they were so dense that almost no one could solve them. Classical Vector Algebra (Textbooks in Mathemat...

The (measuring how much vectors go in the same direction). Classical Vector Algebra (Textbooks in Mathemat...