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Mathematics
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robertspierre
  • Member for 6 years, 6 months
  • Last seen more than a month ago
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5
Convex functions lack saddle points?
Oct 21, 2019
3
Cannot understand why cosine similarity is calculated as $\cos(u,v) = 1 - \frac{u\cdot v}{\|u\|_2 \cdot \|v\|_2}$
Dec 21, 2020
2
Exponentiation property of the modulo operator
Jan 23, 2018
2
Expressing a matrix as an expansion of its eigenvalues
Apr 26, 2019
1
Second directional derivative and Hessian matrix: a clarification on the proof
Aug 3, 2018
1
Proof for number of comparisons needed to find max two elements in an array
Feb 6, 2022
0
Gradient of least-squares loss function
Dec 27, 2020
0
Notation $\sum_{k \neq k'}$: is the order important?
Apr 8, 2021
0
Why $n \log n$ is a polylogarithm?
Nov 6, 2022
0
Proof that annual nominal interest rate, convertible $m$ times in a year, is a decreasing function
Apr 28
Top network posts
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38
How to install the Inspect tool on Windows 10?
34
How is a plain-clothes officer entering your house not an unreasonable search?
21
Pwned by a website I never subscribed to - How do they have my e-mail address?
19
What is an escrow and how does it work? Practical example
18
Can a judge legally forbid a jury from Nullifying a verdict if they ask him about it before rendering a verdict