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visits member for 1 year, 9 months
seen 18 hours ago

Kids in rectangles irritating sick urchins rattling foxes, directory.kirisurf.org lol


Sep
24
awarded  Autobiographer
Sep
5
awarded  Popular Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
May
31
comment Algorithm for redistributing wealth
I thought of something like that too, but it seems that I can't prove it is THE optimal way, and there certainly are pathological cases showing it is NOT the optimal way...
May
31
asked Algorithm for redistributing wealth
May
25
awarded  Popular Question
May
19
awarded  Notable Question
Mar
17
asked Calculating the DFT of a sequence following a mathematical expression
Feb
19
awarded  Popular Question
Feb
12
accepted Greedy algorithm to make change “getting stuck”
Feb
12
asked Greedy algorithm to make change “getting stuck”
Feb
8
comment Seemingly nonsensical differential equation approximation
@DanielFischer Sorry, I really don't know how to realize it. Can you give a slightly more elaborate hint as an answer?
Feb
8
comment True, false and meaningless statements in math.
The language seems to be Georgian. Nkoreli is typing Georgian in the Latin alphabet.
Feb
8
comment Seemingly nonsensical differential equation approximation
Okay. I don't get why you can use an approximate substitution though. The question doesn't say that $(y_n - y_n-1)$ is computed with the naive Euler method.
Feb
8
comment Seemingly nonsensical differential equation approximation
Sorry, do not get. What is the 3 there doing?
Feb
8
asked Seemingly nonsensical differential equation approximation
Jan
23
accepted How to make recursive computation of $I_n=\int_0^1 \frac{x^n}{x+\alpha}\,dx$ stable?
Jan
23
comment How to make recursive computation of $I_n=\int_0^1 \frac{x^n}{x+\alpha}\,dx$ stable?
Thanks! That really helped.
Jan
23
comment How to make recursive computation of $I_n=\int_0^1 \frac{x^n}{x+\alpha}\,dx$ stable?
Umm, we know already what $I_0$ is. We want a formula for $I_n$. I know, for large $n$, $I_0$ is easily calculated, but we are given $I_0$ and asked to find a stable algo for $I_n$. With the recurrence I derived this would involve subtracting something very close to $I_0$ from $I_0$, a classic invite for massive instability.