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visits member for 3 years, 10 months
seen Mar 28 at 23:11

Sep
22
asked Why exactly can you take the absolute value of one side of this inequality and assume it is still true?
Sep
20
asked Why is it that $\left|b_n - b \right| < \frac{\left|b \right|}{2} \Rightarrow \left| b_n \right| > \frac{\left|b \right|}{2}$?
Sep
7
asked What is the explanation for the elements of this set?
Aug
19
asked What are the explanations for certain steps in these proofs for the irrationality/rationality of certain numbers?
Jul
5
asked For which $k \in \mathbb{R}$ will this be a euclidean vector space?
Jul
3
asked Help understanding this example of a linear operator which rotates each vector $v$ about the z-axis by an angle $\theta$
Jun
30
asked Understanding this partial derivative problem
Jun
4
asked Does this equality always hold?
May
14
asked Are bounded sequences always strictly less than some fixed number $M$?
May
6
asked Who was the mathematician who thought “god” was out to get him?
Apr
26
asked How is it shown that a Hermitian matrix will be positive definite?
Apr
23
asked What is the difference between finding a basis for a complex and a real space?
Apr
17
asked How to show certain things related to scalar products
Apr
17
asked Subtraction and division with integers modulo 3
Apr
16
asked How do you show this property of a differentiable function given information about the derivative?
Apr
10
asked What is the best way to show that no positive powers of this matrix will be the identity matrix?
Mar
29
asked Why does $a_n = (1+\frac{2}{n})^{n}$ converge to $e^2$?
Mar
13
asked Proving elementary inverse image consequence
Mar
7
asked Proving $(2n+1) + (2n+3) + \cdots + (4n-1) = 3n^{2}$ for all positive integers $n$
Feb
12
asked Why is the 'change-of-basis matrix' called such?