402 reputation
114
bio website
location
age
visits member for 1 year, 5 months
seen Jan 22 at 15:30

lost in computer science :) i'm a student at the university of rostock


Sep
24
awarded  Autobiographer
Jul
2
awarded  Curious
May
11
awarded  Popular Question
May
9
awarded  Popular Question
May
4
awarded  Yearling
Feb
24
awarded  Popular Question
Jan
21
comment Did i formulate this Linear Optimization Problem right?
you mean this way? $$x_1-x_2 \leq 1$$ $$-x_1+x_2 \leq 1$$ And yes, after rethinking, i don't know why they Need to be positive anymore. I was used to it from other optimization problems. But i think it is not necessary here.
Jan
21
asked Did i formulate this Linear Optimization Problem right?
Jan
7
accepted Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
Jan
7
revised Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
corrected some math
Jan
7
comment Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
I can see now, that $\sqrt{x^2 +1}$ has no Root in in $\mathbb{Z}_{/3}[x]$ ..(in fact it might be a complex root) I made a mistake in my equation. There is no root and thats why it is irreducible? right?
Jan
7
revised Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
corrected some math
Jan
7
asked Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
Dec
10
comment Find all solutions for a system of linear equations over a given field
oh allright.. and so the solution set consits of seven different solutions/vectors like: $$\left(\begin{array}{c} 5-3\cdot 1 \\ 2-3\cdot 1 \\ 1 \end{array}\right) = \left(\begin{array}{c} 2 \\ 6 \\ 1 \end{array}\right)$$ right?
Dec
10
accepted Find all solutions for a system of linear equations over a given field
Dec
10
comment Find all solutions for a system of linear equations over a given field
I am definitly sure, my determinants are incorrect. :/
Dec
10
revised Find all solutions for a system of linear equations over a given field
improving language
Dec
10
asked Find all solutions for a system of linear equations over a given field
Nov
29
comment What is the congruence class of $x^3\mod x^3+x+1$?
Okay, but now i think i have found one, that doesnt fit the pattern. see i we take $x^3+x^2+x$ .. than it would be ... $x^3+x^2+x\equiv x+1+x^2+x$ ... but that cannot be.
Nov
29
comment What is the congruence class of $x^3\mod x^3+x+1$?
it wasnt me. but by the way. If i have $x^3+x^2$. It would be $x^3+x^2 \equiv x^2+x+1$ right?