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Math Help - logrithms

  1. #1
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    logrithms

    I'd like to know the relation between log scale and ln.
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  2. #2
    Moo
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    Hello,
    Quote Originally Posted by E080014 View Post
    I'd like to know the relation between log scale and ln.
    Actually, \ln(x)=\log_e(x)

    and for any a>1, we have :
    \log_a(x)=\frac{\ln(x)}{\ln(a)}
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  3. #3
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    Quote Originally Posted by Moo View Post
    Hello,

    Actually, \ln(x)=\log_e(x)

    and for any a>1, we have :
    \log_a(x)=\frac{\ln(x)}{\ln(a)}
    Hello Moo, bon soir,

    in my opinion it is possible to expand your statement to:

    "...and for any a>0~\wedge~a \ne 1, we have :
    \log_a(x)=\frac{\ln(x)}{\ln(a)} "
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