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| − | + | In mathematics the complex number system describes the set of all numbers that have both a real and an imaginary component. A complex number Z can be represented in rectangular form as: | |
| − | where <math>i^2 = -1</math> | + | <center><math>Z=a+bi</math></center>or <center> |
| − | In electrical engineering the letter i | + | |
| + | where <center><math>i^2 = -1</math></center> | ||
| + | |||
| + | In electrical engineering because the letter i is reserved to denote current, the letter j replaces i such that, | ||
| + | <center><math>j^2=-1</math></center>. | ||
Revision as of 14:37, 4 September 2008
Introduction
In mathematics the complex number system describes the set of all numbers that have both a real and an imaginary component. A complex number Z can be represented in rectangular form as:
In electrical engineering because the letter i is reserved to denote current, the letter j replaces i such that,
