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What does "Log" do?


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What does "Log" do?

  #1 (permalink)
JimPunkrockford
kauai, HI
 
Posts: 11 since Apr 2013
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hey guys, i'm trying to port some code to NT but my Easy Language knowledge is holding me back.

can someone explain what the "Log" term is doing here so i can write something for ninjascript?


Data = 0.25*Log((1+Value)/(1-Value));

what is "Log" doing here?



Data= is current bar equals

0.25*Log is one quarter of whatever log(?) is

( Value) is a number between .9999 and -.9999 so

(1+Value)/(1-Value) is a positive number (ratio) between 20,000 and .00005



thanks in advance for any help

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Logarithmic

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  #5 (permalink)
JimPunkrockford
kauai, HI
 
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so if there was a piece of EasyLanguage code that was

Data = 0.25*Log((1+Value)/(1-Value));


would that be base 10 or base e?

what would the default be, i guess is my question?

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  #6 (permalink)
 ABCTG   is a Vendor
 
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It's the natural logarithm, so base e.

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