Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta user
Network profile
4,905
reputation
2
17
48

Ataraxia

Engineering student, looking to augment my education with some additional math knowledge.

Math I have taken formally:

  • discrete mathematics
  • calculus
  • differential equations
  • linear algebra
  • vector calculus
  • probability & statistics
181
answers
42
questions
~379k
people reached
  • New York, United States
  • Member for 6 years, 11 months
  • 1,727 profile views
  • Last seen May 16 at 2:45

Communities (16)

Top Meta Posts
11
6

Top network posts

Top tags (132)

Score 55
Posts 23
Posts % 10
Score 51
Posts 31
Score 43
Posts 18
Score 32
Posts 29
Score 25
Posts 28
Score 25
Posts 13
View all tags →

Top posts (223) All Questions Answers | Votes Newest

15 Prove that every positive semidefinite matrix has nonnegative eigenvalues Oct 8 '13
14 Why are nonsquare matrices not invertible? Jul 12 '13
13 What is the relationship between the null space and the column space? Jul 31 '13
13 What's the difference between $\mathbb{R}^2$ and the complex plane? Jul 15 '13
12 Why is the 2 norm “special”? [duplicate] Jul 26 '13
11 Why is the supremum of the empty set $-\infty$ and the infimum $\infty$? [duplicate] Aug 21 '13
10 How to solve the definite integral $\int_{-4}^{-2}e^{-x}\,dx$? Aug 23 '13
9 Closest point in $y = \sqrt{x}$ to the origin is at $x=-1/2$? Jun 2 '13
8 How many functions $f:\{1,2,3,4\}→\{1,2,3,4\}$ satisfy $f(1)=f(4)$? May 19 '13
8 Is this still considered $\{0\}$ Jul 30 '13
View all questions and answers →

Badges (67)

Gold

2

Rarest

Silver

17

Rarest

Bronze

48

Rarest

View all badges →