1,742 reputation
612
bio website cse.iitb.ac.in/~aruniyer
location India
age 31
visits member for 2 years, 9 months
seen 14 hours ago

Sep
10
comment Support of a vector
support of a vector is the number of non-zero elements in that vector.
Sep
6
comment What is the difference between commutatitivity and distributivity?
No, nothing to add. Hurkyl (+1), pretty much has said everything I wanted to convey.
Sep
6
comment What is the difference between commutatitivity and distributivity?
Do you understand my question? Given two operators A and B, AB = A(B(x)). Unless B's range is A's domain, A(B(x)) does not make sense. Similarly, BA = B(A(x)) therefore, A's range has to be B's domain. Finally, for AB = BA to be true, A's range has to be same as B's range. Thereby, unless you define A and B's domain and range, you cannot talk about commutativity. That is why, I asked you, please write the domain and range of the two operators that you speak. Then we can think about commutativity.
Sep
6
comment What is the difference between commutatitivity and distributivity?
Please define the domain and range of your operators A and $\sum$. Without that, talking about commutativity is pointless.
Aug
30
revised Prove that the CDF of a random variable is always right-continuous
fixing some braces
Aug
30
suggested approved edit on Prove that the CDF of a random variable is always right-continuous
Aug
30
revised is $\{(x,y) : x,y \in \mathbb{Z} \}$ a closed set?
Just using prettier norm notation :-)
Aug
30
suggested approved edit on is $\{(x,y) : x,y \in \mathbb{Z} \}$ a closed set?
Aug
27
comment Counting Question
Choose the even number first, then select the other numbers.
Aug
27
comment Reproducing Kernel Hilbert Spaces for Dummies
That's pretty much what it seems to be if I read that paragraph in the paper correctly.
Aug
27
answered Let E = $\{x\in \mathbb{Q}: x>0$ and $x^2 <2\}$. Prove E does not have a largest element.
Aug
25
comment How to show that $\{\sqrt m - \sqrt n : m,n \in \mathbb N\}$ is dense in $\mathbb R$?
math.stackexchange.com/questions/275047/…
Aug
25
comment solving equations by the method of elimination
@rahul, now multiply throughout by $6x(x+1)$, what do you get?
Aug
25
comment solving equations by the method of elimination
@rahul, are you sure your final equation is correct? Please check your equations again.
Aug
25
revised solving equations by the method of elimination
fixing equations and some text
Aug
25
suggested approved edit on solving equations by the method of elimination
Aug
24
comment Metric spaces and openness
a] math.stackexchange.com/questions/203728/… , b] Given any set X, consider all open sets in the metric space that contain X (call them $G_\alpha, \alpha \in A$ where A is some index set) and let $Y = \cap_{\alpha \in A} G_\alpha$. Show that $Y = X$.
Aug
20
suggested rejected edit on Ratio problem to find the woman weekly salary
Aug
15
revised Relationship between lagrange multiplier and constraint
added 1 characters in body
Aug
15
comment Inequality $(1+a_2)^{2}(1+a_3)^{3}… (1+a_n)^{n}>n^{n}$
Your title and description look different.