Читать книгу RF/Microwave Engineering and Applications in Energy Systems - Abdullah Eroglu - Страница 18

The cross product between two vectors is also a vector. The magnitude of the cross product of and is equal to the area of the parallelogram which is formed by these vectors, as shown in Figure 1.2b. Consider the two vectors given in Figure 1.2b. The cross product of these two vectors can be written as

(1.12)

is the unit vector along the normal to the plane containing A and B. It is important to note that

(1.13)