1. © 2005 Baylor University Slide 1 Fundamentals of Engineering Analysis EGR 1302 - Time based and expanded Complex Numbers

2. © 2005 Baylor University Slide 2 Expanding the Exponential Form Polar Form Standard Form

3. © 2005 Baylor University Slide 3 Numerical Example with the TI-89

4. © 2005 Baylor University Slide 4 Finding Complex Roots on the TI-89 or

5. © 2005 Baylor University Slide 5 Complex Numbers as a Function of Time 0.01 Exponential Decay

6. © 2005 Baylor University Slide 6 Finding Complex Roots You will be expected to use the TI-89 to find Roots. 4 -4 Roots

7. © 2005 Baylor University Slide 7 Practical Exercise with Complex Number Formats 1. For Find: z in Standard Form: z in Polar Form: z in Exponential Form: Plot z on the Argand Diagram 2. Find all the Roots of

8. © 2005 Baylor University Slide 8 Questions?