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Jun1-13 07:36 PM Fredrik 
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General Math

- Math topics not applicable to the categories below. High-school Math
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 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...
Sep3-08 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 p-1. I must use the following as...
Apr28-03 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...
Aug5-08 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...
Sep22-08 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...
Dec9-03 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...
Dec5-03 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. ...
Mar18-11 07:02 AM
Deveno
8 3,407
if i integrate d/dx(x^2), should i include the constant of integration? thanks
Feb4-05 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...
Feb10-05 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...
Feb10-05 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...
Nov2-09 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...
May13-05 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...
May15-05 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...
May23-05 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...
Apr3-14 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...
Aug28-12 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...
Jun22-12 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...
Aug23-06 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....
Aug28-06 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...
Jun17-07 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...
Jul3-08 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...
Jul31-10 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 +...
Jan26-12 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...
Dec2-03 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...
Dec16-05 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...
Feb24-12 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...
May2-12 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...
May13-12 01:09 AM
Stephen Tashi
1 885
Hi, Please assist, I write this matlab function and receive the error below function...
May16-12 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...
Jul8-10 05:03 PM
techmologist
13 8,281
Is there a general method for solving 2-index recurrence relations with constant coefficients? Here is one I would...
Mar2-09 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...
Jan25-10 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...
Nov28-08 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....
Feb20-08 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,...
Mar9-10 09:38 AM
CRGreathouse
7 3,638
Can anyone give me the proof for fermat's little theorem?
Jan29-12 10:03 AM
adi1998
2 1,372
anybody know a good site which teach quarterion?
Apr5-07 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...
Jan10-06 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?
Jan10-06 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...
Jul4-11 12:07 PM
AdityaNanda
4 2,872

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