Ittay Weiss
Reputation
52,850
93/100 score
 Oct 13 reviewed Leave Open Finding bounds for $\sin(x) \cos(x)$? Oct 13 reviewed Close Find the number of points in $(-\infty,\infty)$ for which $x^2-x\sin x-\cos x=0.$ Oct 13 reviewed Close Probability Question : What is more probable, to win with an equally strong opponent, 3 games of 4 or 5 of 8? Oct 13 reviewed Close The limit of a sequence Jun 11 reviewed Approve Composition of an injective and surjective function May 27 reviewed Approve how to show that$n<{2n \choose n}$ in sets May 21 reviewed Close Demonstrate that the two formulae for a scalar product are equivalent. May 21 reviewed Close Way to measure the similarity/difference of 2D point clouds May 21 reviewed Close Given $g \in C^2(\mathbb{R})$ Study derivability of $f(x) = \frac{g(x)}{x}$ May 21 reviewed Close Closed form formula for discrete sums May 21 reviewed Close What do the symbols $\mathbb{Z}$ and $\mathbb{Z}_n$ mean on this discrete math problem? May 3 reviewed Reject Intuition: Why is the biconditional true if both statements are false? Apr 10 reviewed Close Find $f(x)$ given that: $f'(x)=\frac{f(x)-x}{f(x)+x}$ Apr 10 reviewed Close Show that if $f,g:\Bbb{N}\to \Bbb{C}$ are multiplicative, then so is $f*g(n)=\sum_{d|n}{f(d)g({n\over d})}$. Apr 6 reviewed Close How one can show $P(ax+n|x)=P(n)$? Apr 6 reviewed Close Range or Domain of Primitive Recursive Function? Apr 6 reviewed Leave Open Proving limit with epsilon delta Apr 6 reviewed Close Solve this combination with a summation. Edited and maybe Solved Apr 6 reviewed Close The function $f:G \rightarrow G$ defined by $f(x)=x^2$ is a homomorphism iff G is abelian. Feb 9 reviewed Looks OK Fundamental Counting Principle