Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
Convergence of series, sequences and functions and different modes of convergence.
2
votes
2
answers
672
views
Convergence of Positive definite matrix
I sign up this website for this question. Suppose I have a vector 1 (all elements are 1) with $11^T-B$ positive definite, where $B$ is symmetric non-negative matrix (all elements are greater or equal …
0
votes
3
answers
249
views
Convergence series
Suppose for a fixed $s$, $(a_k)$ is a given sequence with $a_k>0$, $\sum_{k=1}^\infty a_kk^s<\infty$, but for any $\epsilon>0$, $\sum_{k=1}^\infty a_kk^{s+\epsilon}=\infty$. Can we conclude that there …