Mathematics
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Dennis's user avatar
Dennis's user avatar
Dennis
  • Member for 6 years, 5 months
  • Last seen more than a month ago
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All Questions Answers
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question
3
Prove convexity of $f(x)=\sum_{i=1}^{n}{x_i\ln{x_i}}-\left(\sum_{i=1}^{n}{x_i}\right)\ln\left(\sum_{i=1}^{n}{x_i}\right)$ over $\mathbb{R}_{++}^n$ [duplicate]
May 4, 2021
question
3
Prove convexity of $f(x_1,x_2,x_3)=\frac{x_1^2+x_1+1}{x_2+x_3}$ over $\{(x_1,x_2,x_3) : x_2,x_3\gt0\}$
May 8, 2021
question
2
Gradient descent converges after $ T \leq O(\log(1/\varepsilon))$ iterations for $f(x)=x^T A x$ where $A$ is positive definite matrix
Apr 15, 2021
answer
2
Prove convexity of split function (linear and quadratic)
Jun 1, 2021
question
1
Prove that $\{\wedge, \rightarrow\}$ is functionally incomplete
Mar 20, 2021
question
1
Recursive function to convert DNF to negated CNF form
Mar 27, 2021
question
1
Proving global minimum by lower bound of 2-variable functions
Apr 8, 2021
question
1
Proving global minimum by lower bound of 2-variable function $f(x,y)=x^4+2x^2y+y^2-4x^2-8x-8y$
Apr 10, 2021
question
1
Proving global minimum by lower bound of 2-variable function $f(x,y)=(x-2y)^4+64xy$
Apr 10, 2021
question
1
Prove convexity of split function (linear and quadratic)
Jun 1, 2021
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73
Non-scrollable ListView inside ScrollView
22
Inappropriate Context Menu within a Fragment
13
How to specify RTL specific drawables
10
Inappropriate Context Menu within a Fragment
8
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