взведение в степень, как?

Discussion in 'PHP' started by rubik-nerubik, 15 Dec 2007.

  1. rubik-nerubik

    rubik-nerubik Elder - Старейшина

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    люди, как взвести допустим(паскаль)
    експоненту в x ???
    и експоненту в минус x

    e^x

    e^-x
     
    #1 rubik-nerubik, 15 Dec 2007
    Last edited: 15 Dec 2007
  2. demonoid

    demonoid Banned

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    Code:
    perl -e "print exp 2"
    perl -e "print exp -2"
    +
    Code:
    perl -e "print '2.718281828459045'**2"
    perl -e "print '2.718281828459045'**-2"
     
    #2 demonoid, 15 Dec 2007
    Last edited: 15 Dec 2007
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  3. rubik-nerubik

    rubik-nerubik Elder - Старейшина

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    на паскале -) забыл написать
    например в квадрат
    sqrt(e)
    а как в x
     
  4. freddi

    freddi Elder - Старейшина

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    e^x будет exp(x)
    x^y будет exp(y*ln(x))
     
  5. rubik-nerubik

    rubik-nerubik Elder - Старейшина

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    всё, тема раскрыта всем спасибо.
     
  6. halkfild

    halkfild Members of Antichat

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    очень старая лаба))))) возведение в степень без использования спец функций
    метод ускореного умножения



    p.s. просто пример))
     
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