Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:23 AM
micromass

1 
33,158 
Is the statement 1<1/0<1 decidable using the ordered field/real number axioms and first order logic? I have tried to...

Sep308 05:36 PM
ad infinitum

5 
1,691 
I'm stumped as to how to find a formula for the number of pairs QN*QN between 1 and p1. I must use the following as...

Apr2803 01:18 AM
Ad Infinitum NAU

7 
1,533 
You have 10 days of numbers that are averaged together (10 day avg). The most recent 3 days of numbers also averaged...

Aug508 05:20 PM
AD1985

2 
1,270 
Hello All, I need help making sure I am right about this. Say for example I have these two functions: f(n) = 2^n and...

Sep2208 02:07 PM
Ad2d

5 
801 
Can anyone give me examples of "infinity" in the physical world around us? Ie. evidence of its existence as more than...

Dec903 04:34 PM
BigRedDot

19 
1,879 
I first read this story in New Scientist when I was collecting it. Here are some highlights:
The article has...

Dec503 06:23 PM
motai

4 
1,337 
Hi Folks.
I was hoping to pick the brains of some of the mathematicians and mathematically inclined on this site.
...

Mar1811 07:02 AM
Deveno

8 
3,407 
if i integrate d/dx(x^2), should i include the constant of integration? thanks

Feb405 11:56 AM
HallsofIvy

4 
997 
this is quite a classic problem i think but im having difficulty finishing it off. If we have two stamps of positive...

Feb1005 11:24 AM
robert Ihnot

4 
1,158 
does any one know a proof for the solution to the frobenius problem for n=2? that is, that the smallest not possible...

Feb1005 06:06 PM
mathwonk

3 
908 
hey, i was just wondering if anyone could help find the sum of the infinite series defined by 1/. I can split it into...

Nov209 03:10 PM
TRUSKY1965

14 
18,506 
if we know that an infinite series is convergent from an integer T, to infinity, then the series is convergent from 1...

May1305 02:18 AM
Galileo

4 
1,034 
if you are given f(x,y)=x^2+y^2 and y=cos(t) x=sin(t), then when you differentiate f with respect to t, you use the...

May1505 09:17 AM
whozum

14 
1,143 
Suppose you are conducting a hypothesis test to compare two sample means from independent samples, with the variance...

May2305 12:01 PM
uart

2 
40,512 
Hi everyone,
I'm working with an online graphing program desmos.com. It's great, and actually tons of fun.
I'm...

Apr314 09:00 PM
Simon Bridge

7 
342 
I feel like a total noob, but my friend is reviewing distance formula and asked for my help. I can't seem to get the...

Aug2812 09:55 AM
azizlwl

6 
1,036 
Hi there,
I have a question regarding this statement:
http://i46.tinypic.com/35jvtvt.png
My question is...

Jun2212 06:46 PM
adarpodracir

5 
1,017 
Dear All,
Currently I'm working out a formula for Destroyers in the online game BattleGround Europe to be able to...

Aug2306 03:53 PM
Adder_Noir

15 
1,449 
Dear All,
After the great help I received last time I couldn't think of a better place to be asking this question....

Aug2806 06:19 AM
Adder_Noir

2 
2,224 
Hi,
I'm looking for a recommendation for a good textbook which will deepen my understanding of...

Jun1707 05:56 AM
Adder_Noir

5 
2,947 
Hi,
Just reading through a good physics book about games and came across some stuff on complex numbers. The book...

Jul308 07:34 PM
Adder_Noir

14 
1,861 
Hi!,
I'm well into the world of computer graphics. Love to say it was great but well, it isn't.
I would like to...

Jul3110 10:22 PM
Adder_Noir

1 
743 
I want the 1st, 2nd and 3rd derivatives of the following seven parameter double sigmoid function
Y = a + b /(1 +...

Jan2612 11:58 PM
Ade Solm

0 
1,098 
I have a test tomorrow and there are 2 question I am stuck on
Five patrons check their coats at a theatre. In the...

Dec203 08:24 AM
metacristi

1 
1,452 
Im not sure if this is the right place, but I have an optimization problem where I assume we are supposed to use the...

Dec1605 11:03 PM
uart

3 
1,669 
Hi,
I have this double summation expression to solve as part of matlab code I am writing. I have searched matlab no...

Feb2412 05:03 PM
Office_Shredder

5 
5,312 
Hi,
Please I need your assistance on this matlab code. I will really appreciate it.
R=0.492; Pw=0.3708;
for...

May212 12:54 AM
chiro

4 
3,748 
Dear All,
Please I need your assistance in solving this matlab problem. I will be glad to hear from you as early as...

May1312 01:09 AM
Stephen Tashi

1 
885 
Hi,
Please assist,
I write this matlab function and receive the error below
function...

May1612 07:03 AM
Malle

1 
944 
Is it always possible to prove combinatorial identities in a brute force way, as opposed to the preferred way of...

Jul810 05:03 PM
techmologist

13 
8,281 
Is there a general method for solving 2index recurrence relations with constant coefficients? Here is one I would...

Mar209 09:55 PM
Adeimantus

13 
1,951 
Hi everyone,
I'm generating some hypar surfaces for a structure through parametric design techniques. In order to...

Jan2510 04:06 PM
hotvette

1 
1,390 
I've ask around, and to my surprise, not many people knew what trigonometric identities stood for, and what they...

Nov2808 04:01 AM
daniel_i_l

14 
1,372 
I've struggled with this problem for a bit and I ran out of ideas.
"We have a tank of volume K liters of alcohol....

Feb2008 11:45 AM
adi11235

2 
2,067 
Can u help me? I need a great idea for a math cake. Please help me, i have been racking my brains!!! If u answer,...

Mar910 09:38 AM
CRGreathouse

7 
3,638 
Can anyone give me the proof for fermat's little theorem?

Jan2912 10:03 AM
adi1998

2 
1,372 
anybody know a good site which teach quarterion?

Apr507 08:12 PM
adiputra

0 
1,196 
Hey guys, how do you prove that 'pi' is irrational? I think that it is related to infinite series? Is there any...

Jan1006 06:37 AM
Aditya89

5 
1,209 
Is e^pi rational? I seem to have heard from one of my tacher that research was going. How far we have gone?

Jan1006 12:38 PM
devious_

3 
1,130 
I am using MATLAB to model gravity of an irregular body. While displaying the answer,however, MATLAB displays this...

Jul411 12:07 PM
AdityaNanda

4 
2,872 