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aeTIos
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« on: 23 December, 2011, 16:09:29 » |
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Hello guys, As stated in the subject. I can't use this:  since that only works for x=-1 through x=1... Who knows another summation/computation algorithm? Thanks! |
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If something above sounds rude, feel free to vote it down, it was not meant to be rude<<lolol --Always stay relAXEd!--   |
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bsl
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« Reply #1 on: 23 December, 2011, 16:52:03 » |
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Hello guys, As stated in the subject. I can't use this: since that only works for x=-1 through x=1... Who knows another summation/computation algorithm? Thanks! (x-1)/(x+1) +1/3 * [(x-1)/(x+1)]^3 + 1/5 * [(x-1)/(x+1)]^5 + 1/7 * [(x-1)/(x+1)]^7 ..... for x > 0 There are shortcuts on a calculator to do this. |
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adriweb
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« Reply #2 on: 23 December, 2011, 19:52:44 » |
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Taylor it  (oh, well, bsl actually wrote directly an approximation...) |
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« Last Edit: 23 December, 2011, 19:53:13 by adriweb »
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phenomist
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« Reply #3 on: 18 January, 2012, 09:31:34 » |
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Also, ln(x)=-ln(1/x)
If x is not between -1 and 1, take its reciprocal. (I'd also like to note that ln(negative number) is a bad idea.)
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« Last Edit: 18 January, 2012, 09:31:48 by phenomist »
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Level Designer for Graviter
[Disclaimer: I can't program for my life.]
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