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Nov
12
comment How to show symmetrical negative definite matrix is non singular
@bakula i don't believe i just missed easiest thing... thank you so much :)
Nov
12
asked How to show symmetrical negative definite matrix is non singular
Sep
16
accepted How to calculate $51! \ mod \ 101$?
Sep
16
comment How to calculate $51! \ mod \ 101$?
To be precise - I asked this question, not Jerry :)
Sep
16
asked How to calculate $51! \ mod \ 101$?
Sep
8
asked How to sum expressions with constant exponent
Sep
6
asked Coloring of merged $C_4$ and $C_5$ graph
Jul
25
awarded  Famous Question
Jun
17
comment Constructing any function $\{1 \dots n\} \rightarrow \{1 \dots k\}$ using functions $\{1 \dots n \} \rightarrow \{1,2\}$
Oh, okay - thank you for it then:-)
Jun
17
comment Constructing any function $\{1 \dots n\} \rightarrow \{1 \dots k\}$ using functions $\{1 \dots n \} \rightarrow \{1,2\}$
It doesn't really have to be just $[N] \rightarrow [2]$ it can be any construction like: function of pair of functions, but with counterdomain $[2]$
Jun
17
asked Constructing any function $\{1 \dots n\} \rightarrow \{1 \dots k\}$ using functions $\{1 \dots n \} \rightarrow \{1,2\}$
Jun
15
awarded  Popular Question
Jun
1
awarded  Nice Question
May
3
awarded  Yearling
Apr
17
awarded  Notable Question
Apr
9
comment How to find function $f$ bounded from top by $x^\alpha$ and from bottom by $log^k(x)$
Thanks a lot Clement, this is very clever and nice solution, thanks a lot
Apr
9
accepted How to find function $f$ bounded from top by $x^\alpha$ and from bottom by $log^k(x)$
Apr
9
comment How to find function $f$ bounded from top by $x^\alpha$ and from bottom by $log^k(x)$
I edited question with little detail, sorry about it, i assumed it was obvious, cause simplest example $ln^2 x > x^2$ as x goes to 0 shows it couldn't be possible.
Apr
9
revised How to find function $f$ bounded from top by $x^\alpha$ and from bottom by $log^k(x)$
added 72 characters in body
Apr
9
comment How to find function $f$ bounded from top by $x^\alpha$ and from bottom by $log^k(x)$
Thanks peter for your comment, x should be greater than 0.