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2d
answered Explicit Bezier Curves: Lerping between curves same as lerping control points?
2d
reviewed Edit Product of $n^n$
2d
revised Product of $n^n$
changed tags, fixed grammar
May
22
comment Name for the reals augmented with an $x$ such that $x^2 = x$
@Strilanc: Yes, exactly. In general, if you try to extend the real numbers by appending something that satisfies a quadratic relation, it always will end up being a disguised version of one of the three systems in your question.
May
22
comment Name for the reals augmented with an $x$ such that $x^2 = x$
@goblin: They're both $2$-dimensional...
May
22
answered Name for the reals augmented with an $x$ such that $x^2 = x$
May
21
reviewed Edit Casino turns 50% of your losses into “free play”, are odds in your favor?
May
21
revised Finding the northernmost latitude in a great circle that passes through two points on the sphere
mathjax
May
20
reviewed Reopen rule for distributing a negative
May
20
reviewed Reopen Intersection of a line with a curve given as a geometric series
May
20
revised Express $w=f(z)=\frac{1}{(1-z)^2}$ in the form $w=u(x,y)+iv(x,y)$
formatting
May
19
comment Are there ordinals beyond all the $\omega$'s?
en.wikipedia.org/wiki/Epsilon_numbers_(mathematics) ?
May
18
revised Find$\int_{-\infty}^{\infty} \frac{\cos(x)}{x^2 + 2x + 4}\,dx$ and $\int_{-\infty}^{\infty} \frac{\sin(x)}{x^2 + 2x + 4}\,dx$
\dfrac in titles takes up too much vertical space (and is ugly unless you displaystyle the integral, in which case it takes up even more)
May
18
awarded  Great Answer
May
17
comment How can I evaluate $\sum_{n=0}^\infty (n+1)x^n$
@Jimmy360: Yeah, there were several versions of this question that got merged into a single question, many of which had similar answers.
May
16
revised Why the Petersen graph is edge transitive
link-independence
May
16
answered Why the Petersen graph is edge transitive
May
8
comment Is it possible to create a completely random integer between 1 and 13 using standard dice in a D&D dice kit?
I don't know that your $n$ is a good measure of efficiency. Rolling multiple distinct dice simultaneously doesn't really take longer than rolling a single die. In practice, I'm thinking Travis's strategy is likely to be the best balance between expected number of (multi-)die rolls and expected amount of required mental arithmetic, though this is admittedly hard to formalize.
May
7
awarded  Yearling
May
4
reviewed Approve lucas-numbers tag wiki excerpt