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  1. #11

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    I cannot be certain of your choice (as in which equation thee mean) perhaps you could explain to us, which & why you like it so....

    That aside I have had a bit of a thinky on this one and I am with _poki...but i wonder who really came up with it, certainly not Pythagoras...reason being I have a bity of a problem with proving the more complex...simply put, as my great uncle says whats the difference between how and why - which resulted in a discussion on, hydrogen, logarithmic tables, religion - his, I am not, that is no secret

    as for equations, dosnt mean we are clever, it only means, they are, to some:
    Musical notes
    A paint brush
    A pen on paper
    I asked it once, "What are you doing on Earth?" It said, "Listen, if you're a mushroom, you live cheap; besides, I'm telling you, this was a very nice neighborhood until the monkeys got out of control."

  2. #12
    Senior Member Scott N Denver's Avatar
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    e^(i*Pi)+1=0 "e to the I times Pi plus one equals zero"

    btw, there are at least two "eulers formula" out there, the complex numbers one {e^i*theta=cis(theta)]}, and the ?topology? one V+E-F=2 or whatnot

  3. #13
    Senior Member Saslou's Avatar
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    Thanks guys for your input.

    @mal12345 .. Thank you so much for your contribution. For the last day i have been on a mind trip finding out as much as possible about space, time travel and warp speed. It's been fun researching this although my brain may explode as i now have more questions but regardless

    Quote Originally Posted by Le Grande Muffin View Post
    I cannot be certain of your choice (as in which equation thee mean) perhaps you could explain to us, which & why you like it so....

    That aside I have had a bit of a thinky on this one and I am with _poki...but i wonder who really came up with it, certainly not Pythagoras...reason being I have a bity of a problem with proving the more complex...simply put, as my great uncle says whats the difference between how and why - which resulted in a discussion on, hydrogen, logarithmic tables, religion - his, I am not, that is no secret

    as for equations, dosnt mean we are clever, it only means, they are, to some:
    Musical notes
    A paint brush
    A pen on paper
    OK, i enjoy going with an idea (mathematical equations in this case) and seeing where it goes, if i end up taking a hard left to go down a different avenue then i am in my element. When i look at an equation, if i find it aesthetically pleasing then i'll do my research even if it doesn't have any true relevance in my day to day life.

    I posted the idea here because you NT's seem to absorb knowledge and retain in a way i can not. I find it endearing on your part even if i may come across as blonde etc for making the initial enquiry.

    And you did it at the end .. You gave me another way to look at something, i appreciate that.

    Lol, i answered your question in part.
    “I made you take time to look at what I saw and when you took time to really notice my flower, you hung all your associations with flowers on my flower and you write about my flower as if I think and see what you think and see—and I don't.”
    ― Georgia O'Keeffe

  4. #14
    resonance entropie's Avatar
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    Quote Originally Posted by Saslou View Post
    Thanks guys for your input.

    @mal12345 .. Thank you so much for your contribution. For the last day i have been on a mind trip finding out as much as possible about space, time travel and warp speed. It's been fun researching this although my brain may explode as i now have more questions but regardless
    Try searching for "alcubierre metric".

    I like a billion of equations:

    - Laplace transformations
    - Fourier, Gauss, Fibonacci
    - limits and l'hospital
    - homogenous and inhomogenous solutions to DEQs
    - Imaginary eqns and the e-function
    - steam generator eqns and movement eqns

    Alltime favs are those:

    lim n->inf. 1/x = 0

    i^2 = -1

    xy' + y = 0 <=> y = C/x

    (Maxwell)

    (2nd law of thermodynamics)

    (black hole entropy)

    The only field I dislike is game theory. I never really could make my head around that.

    But my all time fav is a text written by Titus Lucretius Carus 55 before Christ a roman philosoph, which in essence said that all objects behave the same in a 'void' or vacuum. Given the time it was written, it is questionable if they even knew what a vacuum was. He said in his book that nothing exists per se except for atoms and the void:

    „Wer nun etwa vermeint, die schwereren Körper, die senkrecht
    Rascher im Leeren versinken, vermöchten von oben zu fallen
    Auf die leichteren Körper und dadurch die Stöße bewirken,
    Die zu erregen vermögen die schöpferisch tätigen Kräfte:
    Der entfernt sich gar weit von dem richtigen Wege der Wahrheit.
    Denn was immer im Wasser herabfällt oder im Luftreich,
    Muß, je schwerer es ist, um so mehr sein Fallen beeilen,
    Deshalb, weil die Natur des Gewässers und leichteren Luftreichs
    Nicht in der nämlichen Weise den Fall zu verzögern imstand ist,
    Sondern im Kampfe besiegt vor dem Schwereren schneller zurückweicht:
    Dahingegen vermöchte das Leere sich niemals und nirgends
    Wider irgendein Ding als Halt entgegenzustellen,
    Sondern es weicht ihm beständig, wie seine Natur es erfordert.
    Deshalb müssen die Körper mit gleicher Geschwindigkeit alle
    Trotz ungleichem Gewicht durch das ruhende Leere sich stürzen (...)“
    For if anyone happens to believe
    that heavier bodies, since they are carried
    straight down though empty space more rapidly,
    could hit the lighter ones from up above
    and in this way generate collisions,
    which could then create productive motions,
    he is moving backwards and is far removed
    from truthful reasoning. For all objects
    which sink through water, even through thin air,
    must, depending on their weight, move faster
    in this fall, since the material substance
    in water and the nature of thin air
    can hardly hold back each thing equally:
    heavier bodies will overpower them,
    and they will move aside more rapidly.
    But, by contrast, an empty space cannot
    hold back a single thing at any time
    or any place, since it keeps giving way,
    as its own nature forces it to do.
    That is why all bodies set in motion,
    even though their weights may be unequal,
    must be carried through unresisting void
    at the same rate.
    [URL]https://www.youtube.com/watch?v=tEBvftJUwDw&t=0s[/URL]

  5. #15
    Senior Member sculpting's Avatar
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    hmm.

    I love linear algebra and matrices because you can capture so much information all at once-Tensors are absoluetely heavenly. I also am totally head over heels in love with fourier and laplace transforms. The idea that you take an insurmountable problem, step into a different space, solve it very easily, then step back again is very delightful to me. I found diff eq to be very pragmatic and appealing-start from the problem, decsribe it, then work backwards to find equations that can predict things moving forward.

    I totally dug the parts of PChem involving taking ideal equations-like the gas laws or thermo stuff-and then adding correction factors to make them real.

    imainary d-orbitals were beautiful as well. so, not really equations, but just beautiful math stuff I guess!!

  6. #16
    royal member Rasofy's Avatar
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    The classic E=mc². Simple and deadly effective.
    -----------------

    A man builds. A parasite asks 'Where is my share?'
    A man creates. A parasite says, 'What will the neighbors think?'
    A man invents. A parasite says, 'Watch out, or you might tread on the toes of God... '


    -----------------

  7. #17
    Senior Member shoshana's Avatar
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    Quote Originally Posted by thealchemist View Post
    Euler's beautiful and Bernoulli's equation rocks! There's also the quadratic formula. So simple and yet, essential. *sigh*
    OMG YOU STOLE MINEEE

    BERNOULLI's equation for sure. and Darcy's law.

    most useful equations for anyone studying hydrology or hydrogeology :B

  8. #18
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    Quote Originally Posted by shoshana View Post
    OMG YOU STOLE MINEEE

    BERNOULLI's equation for sure. and Darcy's law.

    most useful equations for anyone studying hydrology or hydrogeology :B
    It's not stealing if I posted it first.

    Unless you're implying time travel was involved...which leads me to these equations: http://en.wikipedia.org/wiki/List_of...stic_equations

    Utter beauty.

  9. #19
    Senior Member shoshana's Avatar
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    Quote Originally Posted by Rasofy View Post
    The classic E=mc². Simple and deadly effective.
    tis a beautiful equation i hope it can not be disproved

    http://www.nytimes.com/2011/09/30/op...as30.html?_r=1

  10. #20
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    Mine would be the quadratic formula.


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