TransWikia.com
  1. All Categories
  2. Mathematics

Mathematics : Recent Questions and Answers (Page 43)

Find answers to your questions about Mathematics or help others by answering their Mathematics questions.

why does a set of parametric equations need to be smooth and not cross itself in order to evaluate its arc length?

My calculus textbook says that to calculate arc length of a set of parametric equations, the curve produced by the equations must be smooth and cannot cross itself. The book...

Asked on 12/10/2021 by Lightbulb

0 answer

Properties of Legendre/Cramer's transformation of the moment generating function

Let $X in L^1$ be a random variable on some probability space, define $M(theta) equiv E(e^{theta X})$ as its moment generating function and let $D(M) equiv {theta...

Asked on 12/10/2021

1 answer

Solve $lfloor ln x rfloor gt ln lfloor xrfloor$

The question requires finding all real values of $x$ for which $$lfloor ln xrfloor gt lnlfloor xrfloor $$ To start off, one could note that $$lfloor ln...

Asked on 12/10/2021 by Tavish

1 answer

AMC 2003 Cut the cube into pieces.

For each vertex of a cube a plane is constructed through the three vertices which are neighbors of that vertex. Into how many parts do these eight planes dissect the...

Asked on 12/10/2021

1 answer

Bayes' Rule broken?!?!

This question has been driving me CRAZY for 4 days now. The question comes from the textbook "One Thousand Exercises in Probability", specifically Exercise 3 in section 1.4. The solution...

Asked on 12/10/2021

4 answer

Next primes of the form $n^n - (n-1)^{n-1} - (n-2)^{n-2} - (n-3)^{n-3} - ...- 3^3 - 2^2 - 1^1 - 0^0$

With the convention $0^0=1$, let$Q(1) = 1^1 - 0^0=1-1=0$$Q(2) = 2^2 - 1^1 - 0^0=4-1-1=2$$Q(3) = 3^3 - 2^2 - 1^1 - 0^0=27-4-1-1=21$$Q(4) = 4^4...

Asked on 12/10/2021 by Dimash K

0 answer

Is Voelker's dropped coordinates method for generating points in ball applicable to ellipsoid-ball?

A short write up is at section "method 22" on http://extremelearning.com.au/how-to-generate-uniformly-random-points-on-n-spheres-and-n-balls/ . I'm trying to get a more general case working, and so to say go from...

Asked on 12/10/2021 by Coderino Javarino

1 answer

problem on Ceva's theorem

In quadrilateral $ABCD$ if $AB$ and $CD$ meet at $E$ and $AD$ and $BC$ at $F$ prove that midpoints of $DB, AC,...

Asked on 12/10/2021

0 answer

How to calculate how long it takes for a certain amount of parallel-time events to happen?

I have multiple events (labeled $a, b, c,dots$) that happen every $t_a, t_b, t_c$ times, they are certain (not random!). An easy example would be: 3 events, (a)...

Asked on 12/10/2021

1 answer

Computing characteristic polynomial of $4 times 4$ matrix

Given the following matrix $$A = begin{bmatrix} 1 & -3 & 0 & 3 \ -2 & -6 & 0 & 13 \ 0 & -3 & 1 &...

Asked on 12/10/2021

2 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP