sigmoid function value for parameter a and b

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Please can someone help me with sigmoid function. Please can anyone tell me what values i should give for a and b so that i get for
y0=sigmf(0,[a b]) % y0 value less than 0.5
and for
y1=sigmf(1,[a b]) % y1 value greater than 0.5

Accepted Answer

Jan
Jan on 21 Aug 2013
Edited: Jan on 21 Aug 2013
According to my calculations you have to pick 0<b<1 and a>0.
E.g. b=1/2 and a=1
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More Answers (1)

Laurent
Laurent on 21 Aug 2013
Edited: Laurent on 21 Aug 2013
Well, if the only requirement is that y0 < 0.5 for x=0 and y1 > 0.5 for x=1, then for 0 < b < 1 and a > 0 it should work.
  1 Comment
Elysi Cochin
Elysi Cochin on 21 Aug 2013
sir for x = 0, it should be a value less than 0.5 and for x = 1, it should be a value greater than 0.5
such a value i need for a and b

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