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Romero

  • 3 years ago

Do real life applications require the use of complex numbers and if so can you give an example.

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  1. amistre64
    • 3 years ago
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    i calculate my age using complex numbers ;)

  2. ParthKohli
    • 3 years ago
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    You can take the square root of negative one using complex numbers. :P

  3. ParthKohli
    • 3 years ago
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    Also, teachers can keep the children engaged using topics such as complex numbers that don't even have real-life applications.

  4. ParthKohli
    • 3 years ago
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    ^ That one is the only application I can think of.

  5. Romero
    • 3 years ago
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    So we don't see imaginary numbers in nature on real life applications?

  6. failmathmajor
    • 3 years ago
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    Electrical engineering

  7. failmathmajor
    • 3 years ago
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    Circuits and fluid dynamics

  8. ParthKohli
    • 3 years ago
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    No, we don't. @failmathmajor Electrical engineering is another place where we have teachers getting students engaged ;)

  9. Romero
    • 3 years ago
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    True I have seen just a little bit of complex numbers in my intro courses for physics in the subject of circuits but not enough to tell if that is something that I will face in real life.

  10. failmathmajor
    • 3 years ago
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    Well, we use circuits in real life, so...

  11. Romero
    • 3 years ago
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    hahaha also true but I think we use digital circuits which is different from analog and that's where I've seen complex numbers

  12. mathteacher1729
    • 3 years ago
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    Complex numbers are used when considering solutions to problems that are modeled by certain differential equations which have a "rotation" in their solution. Example -- the stability of predator / prey models of populations. Long story short, they are used in mathematical modeling all the time.

  13. mathteacher1729
    • 3 years ago
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    You can manipulate complex solutions to "coupled linear differential equations" here http://ocw.mit.edu/ans7870/18/18.03/s06/tools/LinPhasePorMatrix.html

  14. mathteacher1729
    • 3 years ago
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    Here is a beautiful illustration of the behavior of coupled systems of differential equations. http://vimeo.com/23839605

  15. phi
    • 3 years ago
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    some data compression techniques (used by the internet) use complex numbers.

  16. Romero
    • 3 years ago
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    Cool video @mathteacher1729

  17. mathteacher1729
    • 3 years ago
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    Thanks, it is not my own creation, I'm not that awesome. (yet...) :-p

  18. failmathmajor
    • 3 years ago
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    I think you are pretty awesome He has a great LaTeX tutorial up on YouTube which I used to make a very cool maths report and it looks all mathematically professional and all

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