Dot Product is All You Need

Most of us have heard about this concept whether through deliberate study from various books, papers, and videos or involuntary knowledge from our friends who talk a lot about mathematics. This concept is often introduced in basic linear algebra courses. Suppose you have two vectors a [1, 2, 4] and b [2, 5, 8]. By applying dot product to those vectors you will get a scalar value of 44. The dot product itself is defined by the following convention.