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03 December 2006, 16:09
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#1 |
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Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Discretizing / Normalizing Values in C/C++
heys guys,
I am having trouble relating math to code, I can write it on paper, I can understand it but tring to get it into code is... well escaping my sore little brain...  I just need this in C source and well google is being a biggot!! |
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03 December 2006, 16:16
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#2 |
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move.w #$4489,$dff07e
Join Date: Sep 2005
Location: Norfolk, UK
Age: 42
Posts: 2,351
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Code:
#include <math.h> double result = 1 / ( 1 + exp(-1*y) );  http://www.cppreference.com/stdmath/exp.html explains the exp function - I use this site as an online C/C++ reference. |
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03 December 2006, 16:17
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#3 |
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Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Sweeet!!!!!!!!
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04 December 2006, 03:38
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#4 |
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Moderator
Join Date: Nov 2004
Location: Eksjö / Sweden
Posts: 5,652
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hmm why not 1 / ( 1 + exp(-y) ); ?
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04 December 2006, 09:29
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#5 | |
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move.w #$4489,$dff07e
Join Date: Sep 2005
Location: Norfolk, UK
Age: 42
Posts: 2,351
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Quote:
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