| MULTIVECTOR OPERATIONS (a.k.a. GEOMETRIC
ALGEBRA OR CLIFFORD ALGEBRA OPERATIONS). PLEASE SEE New Foundations of Mechanics
, D. Hestenes, ONLINE CITATIONS BELOW, AND "CLIFFORD" WEBSITES. |
| INNER (a.k.a. SCALAR) PRODUCT:
[a1,a2] · [b1
, b2] = a1 * b1
+ a2 * b2, A SCALAR. For plain
triangle with its Law of Cosines; as triangle becomes vector triangle, Cosine Law
becomes INNER PRODUCT. |
|