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May
19
revised Expected time to pick up n things when I can drop them each round?
added 35 characters in body
May
19
revised A bad Cayley–Hamilton theorem proof
edited title
May
19
answered Expected time to pick up n things when I can drop them each round?
May
13
revised Entropy Formula $\sum_i p_i log(\frac{1}{p_i})$
added 4 characters in body
May
13
answered Entropy Formula $\sum_i p_i log(\frac{1}{p_i})$
May
12
answered How many ways can N labelled balls be placed in M unlabelled boxes, provided each box has at least P balls inside?
May
12
awarded  Popular Question
May
12
comment parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
All the above happens the same in ternary coding. YOu just need to consider all the possible $3^k$ tuples with elements in {0,1,2}, and sort them in lexicographic order (again, that would coincide with the representation of integers in base 3, but that's irrelevant, it does not help and might confuse you).
May
12
comment parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
"with binary we would have 1 = 0001, 2=0010 " Actually, that mapping (each binary vector is associated to a integer number) is irrelevant here. A binary vector is just a tuple (list) of elements taking the values {0,1} (and if the tuple has length $k$ you have $2^k$ possible values). You don't need to associate them with integers in binary representation. Here we are told (arbirtrarily) to order the tuples by lexicographic order (as in a dictionary), so that happens to coincide with the binary representation order.
May
11
revised parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
added 14 characters in body
May
11
revised Let $x_n$ be a sequence. Prove that $x_n \rightarrow 0 $ iff $(x_n)^{2} \rightarrow 0 $
fixed title
May
11
revised parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
added 50 characters in body
May
11
revised parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
added 72 characters in body
May
11
answered parity check matrix of $\operatorname{ham}(3,3)$ code - struggling with $q=3$
May
10
comment Method of generating random numbers that sum to 100 - is this truly random?
I guess we are speaking of non-negative (zero included?) integer numbers, no? And "a random number out of 100" means a number in [0...100] with uniform probability?
May
10
awarded  Nice Answer
May
8
comment Intuitively understanding $\sum_{i=1}^ni={n+1\choose2}$
@user238435 The answers include intuition-based proofs. Also see my last image in math.stackexchange.com/questions/44759/…
May
8
comment Intuitively understanding $\sum_{i=1}^ni={n+1\choose2}$
See also math.stackexchange.com/questions/44759/…
May
8
comment Intuitively understanding $\sum_{i=1}^ni={n+1\choose2}$
possible duplicate of Proof for formula for sum of sequence $1+2+3+\ldots+n$?
May
3
comment Why do we need ϵ>0 for typical set in Asymptotic Equipartition Property (AEP)?
I don't quite get the question. The $\epsilon >0$ concept is rather basic and general, not specific to AEP (nor even probability). See for example the (very related) concept of convergence in probability. When you try to formalize the notion "the sample average, for large $n$ (under some conditions) tends to be about the mean", you need the $\epsilon >0$.