Bober02

195 reputation

	195 reputation	bio	website		visits	member for	1 year, 2 months
19 badges		location			seen	Dec 5 '12 at 15:20

63 Actions

May 6	comment	gradient descent rule well, for instance, in perceptron, you have w*x as your output. as you differentiate with respect to w_i you get set of Linear Equations. I guess maybe you meant full NN with hidden layers?
May 6	revised	gradient descent rule added 1 characters in body; edited title
May 6	comment	gradient descent rule my bad... spelling was not an issue, but funny comment indeed :)
May 6	asked	gradient descent rule
May 5	accepted	regression vs classification
May 5	asked	regression vs classification
May 4	awarded	Supporter
May 4	awarded	Scholar
May 4	accepted	Concavity proof help
May 4	comment	Concavity proof help got it ! thanks a lot :)
May 4	comment	Concavity proof help OK, what about the Right hand side? the right hand side has ax^2, not a^2x^2
May 4	revised	Concavity proof help added 93 characters in body
May 4	awarded	Editor
May 4	comment	Concavity proof help I modified my question to include my desired formula
May 4	comment	Concavity proof help I know, would you attempt solving it using the frmula in my comment?
May 4	comment	Concavity proof help Well, I meant if anyone could show it using the formula in my comment I would really appreciate it....
May 4	revised	Concavity proof help added 1 characters in body; edited title
May 4	comment	Concavity proof help Sorry, I meant concave... It does not seem to work. I know that f(ax + (1-a)y) >= af(x) + (1-a)f(y)
May 4	asked	Concavity proof help
Apr 23	awarded	Student