Daniel
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752
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### Questions (62)

 11 Probability of having zero determinant 7 Linear Programming: More variables or more constraints; which one is better? 5 Is it true that $\sum_{t = 1}^T \frac{T-t}{ t+ \sqrt{T-t}} \in O(T)$? 5 Looking for a (nonlinear) map from $n$-dimensional cube to an $n$-dimensional simplex 4 What is the meaning of “mean-field”?

### Reputation (752)

 +5 Time bound for gradient descent -2 What does it mean to define a norm as $\|.\|_{A, B}$? (e.g. $\|.\|_{\infty, [-1, 1]}$) +5 Upper-bounding $\sum_{i=1}^n \sum_{j = i}^{i+a_i} \frac{1}{\sqrt{j}}$? +5 Is it true that $\sum_{i=1}^m \frac{1}{\sqrt{i}} = O \left( \sqrt{ m-1 } \right)$?

 3 Triangle Inequality with complex numbers: Prove that $|z_{1} - z_{2}| \le |z_{1}| + |z_{2}|$. 2 Gradient descent with adaptive learning ratio. 2 Double integral of delta functions 2 What is the meaning of “mean-field”? 1 Proof of why the partition function Z in probabilistic graphical models (PGM) is NP-complete

### Tags (86)

 5 machine-learning × 14 2 optimization × 12 4 multivariable-calculus × 2 2 probability × 11 3 inequality × 10 2 approximation × 11 3 calculus × 4 2 real-analysis × 5 3 complex-numbers 2 bayesian × 2

### Accounts (36)

 Stack Overflow 1,690 rep 816 Mathematics 752 rep 417 Cross Validated 632 rep 310 Theoretical Computer Science 383 rep 211 TeX - LaTeX 184 rep 16