mtrudelle

## gist:87e1f43d2c2f1c3f2603ab1e05d2b0b8
% Why does this Sigmoid function using exp(-y) where y is a [100 1] vector does not work?
octave:70> size(y)
ans =

   100     1

octave:71> y=zeros([100,1]);
octave:72> g=1/(1+exp(-y))
g =
	% Why does this Sigmoid function using exp(-y) where y is a [100 1] vector does not work?
	octave:70> size(y)
	ans =

	100 1

	octave:71> y=zeros([100,1]);
	octave:72> g=1/(1+exp(-y))
	g =