Reputation
3,361
Top tag
Next privilege 5,000 Rep.
Approve tag wiki edits
Badges
2 12 29
Newest
 Good Answer
Impact
~176k people reached

Apr
24
reviewed Looks OK How would I calculate an derivative with two unknown variables?
Apr
24
reviewed Close Solve $(x^2+y^2+1)dy+xydx=0$
Apr
24
reviewed Looks OK Prove that a symmetric matrix with a positive diagonal entry has at least one positive eigenvalue
Apr
24
reviewed Close Given letters ABCDEFGH : how many strings of length 5 can be formed using the letters ABCDEFGH if repetitions are not allowed
Apr
24
reviewed Leave Open Basin of attraction an open set?
Apr
24
reviewed Close Conditional probability for product of two statistics
Apr
18
reviewed Close Show that $e^x+e^{-x} \geq e^0+e^0$
Apr
13
reviewed Approve Is basis change ever useful in practical linear algebra?
Apr
13
reviewed Approve Is the matrix diagonalizable for all values of t?
Apr
13
reviewed Approve Independence of some derived random variables
Apr
4
reviewed Close Generalisation of Binomial Theorem, Leibniz Formula and similar theorems
Apr
4
reviewed Leave Closed Surprising Summation (2): $\frac14 \sum_{i=1}^{2n}i(2n-i+1)=\sum_{i=1}^n i^2$
Apr
3
revised Gradient descent vs ternary search
spelling spellingf
Apr
2
reviewed Reopen Calculus: How do you solve this double sequence as its limit approaches infinity?
Mar
26
reviewed Approve Find A non- zero vector $u$ with direction $(2,1,-5)$ and terminal point $(5,9,0)$.
Mar
26
reviewed Close Does the sum ${\sum_{n=1}^{\infty}} \frac{\sqrt{n}+1}{n\sqrt{n}+\sqrt{n}+1}$ converge?
Mar
26
reviewed Leave Closed are there any polynomial-exponential, bell-shaped functions?
Mar
26
reviewed Close Left adjoint functor to forgetful functor from C*-algebras to *-algebras category
Mar
23
reviewed Leave Closed “Natural” example of cosets
Mar
16
reviewed Close Cracking a combination lock