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David Kozak's user avatar
David Kozak's user avatar
David Kozak's user avatar
David Kozak
  • Member for 6 years, 11 months
  • Last seen more than 1 year ago
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About

Mathematician with interests in optimization, inverse problems, dynamical systems, kernel methods, and optimal control.

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All Questions Answers
Score Newest
answer
37
Who invented stochastic gradient descent?
Nov 18, 2017
answer
34
The reason of superiority of Limited-memory BFGS over ADAM solver
Nov 25, 2017
answer
10
How does the second derivative inform an update step in Gradient Descent?
Nov 23, 2017
question
7
Is there an accepted method to determine an approximate dimension for manifold learning
Jan 21, 2017
answer
7
Can the dimensions be reduced with PCA without loss of data if $N>p$?
Feb 6, 2017
question
6
Why use perplexity rather than nearest neighbor match in t-SNE?
Jan 9, 2017
answer
6
$X$, $Y$ independent identically distributed. Are there counterexamples to symmetry of $X-Y$?
Oct 14, 2017
answer
6
When will gradient descent converge to a critical point or to a local/global minima) for non-convex functions?
Feb 14, 2018
answer
5
Working on Confidence Interval and its meaning
Nov 22, 2017
answer
4
textbook example of KL Divergence
Jan 20, 2017

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