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## Scalar Product |

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | overview |

The scalar product of two vectors is defined by

In particular, we have

and

From the coordinate representation of the scalar product it follows

and

i.e., the scalar product has properties analogous to some calculation rules of the product of real numbers.

**Example:**

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automatically generated 3/28/2008 |