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Dec
15
asked What is the $d\sigma/\sigma$ rule?
Dec
7
comment Big $\mathcal{O}$ Notation question while estimating $\sum \frac{\log n}{n}$
Can someone repair the title: "Big O notation."
Dec
1
comment $e$ to 50 billion decimal places
@Arturo, I think I understand, thanks.
Dec
1
comment $e$ to 50 billion decimal places
@Arturo, My point is that the parallelization and vectorizing problem is essentially solved by the mapreduce algorithm. All one needs is a program that calculates some digits, whether in hex or in decimal.
Dec
1
comment $e$ to 50 billion decimal places
@J.M. I really don't see that. It's a standard map-reduce with key=decimal positions, value=decimal values. The map-reduce framework does the consolidation automatically.
Dec
1
comment $e$ to 50 billion decimal places
@J.M. Good point, but calculation of the digits of pi and e are easily parallelizable since the calculation of later digits don't depend on earlier ones.
Dec
1
comment $e$ to 50 billion decimal places
Nice answer, but why do you say that we are not good at parallel computing? Most of Google's services are proof of excellent parallelization.
Nov
24
comment Number of nodes on diagonal planes of a cube
Thanks.........
Nov
24
accepted Number of nodes on diagonal planes of a cube
Nov
24
comment Number of nodes on diagonal planes of a cube
... or maybe $\binom{A}{2} - 3\binom{B}{2} - 3\binom{C}{2}$
Nov
24
comment Number of nodes on diagonal planes of a cube
@Rahul: Right, I see that now. So, the solution will be of the form (A choose 2) - 3 (B choose 2)?
Nov
24
asked Number of nodes on diagonal planes of a cube
Nov
9
answered About a weighted sum of hitting times for random walks on graphs
Nov
3
comment Chinese remainder theorem
How do you justify the second sentence?
Nov
3
comment Chinese remainder theorem
I have added it. Please let me know if it's correct.
Nov
3
answered Chinese remainder theorem
Nov
3
comment Chinese remainder theorem
Yes, I will add it as a solution.
Nov
3
accepted Chinese remainder theorem
Nov
3
revised Chinese remainder theorem
Forgot a condition
Nov
3
comment Chinese remainder theorem
I will update the question. (This problem is a part of a larger problem and I forgot the conditions that I'd used.)