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18 Questions

Votes Activity Newest Views

votes

answers

15k

views

Is there a math expression equivalent to the conditional ternary operator?

notation computer-science

Nov 26 '19 at 17:48 Community♦ 1

votes

answer

224

views

Is it possible to express a helix as a Lie group?

lie-groups lie-algebras

May 19 at 7:43 Glorfindel 3,637

votes

answers

views

Are there generalised rules for generating heuristics from data?

statistics probability-distributions statistical-inference

May 24 '19 at 10:22 dataphile 722

vote

answers

views

How do I calculate the sine integral for a specific input?

integration wolfram-alpha

Apr 27 at 7:16 Claude Leibovici 181k

vote

answer

views

How to move a circle $e^{i \pi n}$ along the $\Re$ axis to form a sine wave?

complex-numbers

Apr 17 at 6:41 Yves Daoust 195k

vote

answer

views

Rotate sine wave on complex plane

complex-numbers

Apr 13 at 12:48 rschwieb 131k

vote

answer

views

Streak calculation based on skill

probability-theory probability-distributions

Oct 29 '19 at 17:00 Ethan Bolker 70.2k

vote

answers

114

views

How are Modular Forms used in number theory

elementary-number-theory trigonometry modular-forms

Aug 19 '19 at 14:38 Community♦ 1

vote

answer

237

views

How to calculate the optimal amount to bet?

operations-research gambling poker

May 13 '19 at 13:31 Ross Millikan 350k

vote

answers

views

How to use a conditional statement in an infinite series to approach a specific limit

sequences-and-series convergence-divergence notation

Mar 9 '19 at 16:06 Servaes 51.2k

vote

answer

views

How do I algebraically express a rotated triangle in terms of its original dimensions and its rotation?

linear-algebra

Sep 26 '18 at 14:53 stity 3,365

votes

answer

views

Is this a novel factorization theorem? Solving $\sin^2(\pi x)+\sin^2\left(\frac{\pi p}{x}\right)=0$ for $x$ gives the integer factors of $p$.

trigonometry prime-factorization weierstrass-factorization

May 11 at 10:36 Yves Daoust 195k

votes

answers

views

Calculating $\sin 45^\circ$ two ways gives $1/\sqrt{2}$ and $\sqrt{1/2}/1$. What went wrong?

trigonometry

Sep 23 '18 at 7:43 Blue 62.9k

votes

answer

views

Coordinates of a segment formed by the sum of two angles

coordinate-systems polar-coordinates

Sep 22 '18 at 12:20 YiFan 14.4k

votes

answer

176

views

Why isn't $y=\frac{\sin x }{\pi}+x$ invertible

calculus functions inverse-function

Aug 23 '16 at 10:02 user1551 108k

-1

votes

answer

views

Convert fraction to an infinite series with alternating sign

sequences-and-series

Mar 12 '19 at 18:11 dataphile 722

-3

votes

answer

views

Why is the radius of the complex unit circle 1 and not 2.71828

complex-analysis

May 18 at 6:59 dataphile 722

-3

votes

answer

114

views

How do you write the sines of a binary expansion as an infinite series?

sequences-and-series algebra-precalculus

Mar 19 '19 at 16:37 Glorfindel 3,637

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18 Questions

Is there a math expression equivalent to the conditional ternary operator?

Is it possible to express a helix as a Lie group?

Are there generalised rules for generating heuristics from data?

How do I calculate the sine integral for a specific input?

How to move a circle $e^{i \pi n}$ along the $\Re$ axis to form a sine wave?

Rotate sine wave on complex plane

Streak calculation based on skill

How are Modular Forms used in number theory

How to calculate the optimal amount to bet?

How to use a conditional statement in an infinite series to approach a specific limit

How do I algebraically express a rotated triangle in terms of its original dimensions and its rotation?

Is this a novel factorization theorem? Solving $\sin^2(\pi x)+\sin^2\left(\frac{\pi p}{x}\right)=0$ for $x$ gives the integer factors of $p$.

Calculating $\sin 45^\circ$ two ways gives $1/\sqrt{2}$ and $\sqrt{1/2}/1$. What went wrong?

Coordinates of a segment formed by the sum of two angles

Why isn't $y=\frac{\sin x }{\pi}+x$ invertible

Convert fraction to an infinite series with alternating sign

Why is the radius of the complex unit circle 1 and not 2.71828

How do you write the sines of a binary expansion as an infinite series?