End of the Chapter

You may find it useful to distribute your study time over the following topics:

• Various names by which the dot product is known.
• Definition of the dot product for geometrical vectors.
• Commutative property of the vector dot product.
• Cosine of an angle.
• Dot product of orthogonal vectors.
• Dot product and vector length.
• Properties of the vector dot product (list)
• Dot product of 2D column matrices.
• Commutative property of column matrix dot product.
• Dot product of 3D column matrices.
• Dot product of a column matrix with itself.
• Distributive property of column matrix dot product.

Click on a term to see where it was discussed in this chapter. The next chapter will discuss how the dot product relates to the length of a vector.