celtschk

less info
meta site favicon meta user | stack exchange network profile network profile
4,528 reputation
1925
bio website
location
age 41
visits member for 10 months
seen Oct 26 '12 at 6:50
stats profile views 260

85 Answers

newest activity votes
1
Non diagonalisability of $2 \times 2$ matrix with single eigenvalue
1
What are the technical reasons that we must define vectors as “arrows” and carefully distinguish them from a point?
1
a question about permutation in the digits in the decimal system
1
How are Huffman encoding and entropy related?
1
If every infinite subset has a limit point in a metric space $X$, then $X$ is separable (in ZF)
1
What is the (mathematical) point of geometric constructions?
1
How many odd days are there in 1600 years ? I calculated it but I guess the result is wrong?
1
What is the difference between set membership symbol $\in$ and $R$?
1
Determining presence or absence of function in expression
1
Re-writing in sign basis.
1
Is there a “natural” topology on powersets?
1
How can I disprove the following statements?
1
How to show that $0 \times 2 = 0$?
0
Does a Lattice with min and max operator reduce to a total order?
0
Help explaining the sign of a permutation
0
Some infinite dimensional spaces, their elements and completion
0
How to precisely distinguish vectors and points?
0
Probability of rolling sixes in 50 rolls of a fair die
0
How to make something that will cap on 20?
0
Transform/approximate this expression to avoid undefined value
0
Ordered subsets summation
0
Anticommutative operation on a set with more than one element is not commutative and has no identity element?
0
Short matrix algebra question
0
What does the following set represent ?
0
How to introduce basis vectors
1 2 3