Vectors

Question 1

Cross Product

Answer 1

The cross product is a product of two vectors that results in a vector perpendicular to both.

Question 2

Dot Product

Answer 2

The dot product is particular product of two vectors which results in a scalar corresponding to the length of the projection of one vector onto the other.

Question 3

Normal Vector

Answer 3

A normal vector is a vector perpendicular to a surface.

Question 4

Vector

Answer 4

(1) In vector algebra, a vector mathematical entity that has both magnitude (which can be zero) and direction. (2) In topology, a vector is an element of a vector space.