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

Feb2313 09:23 AM
micromass

1 
38,966 
Hi,
I've been working on this problem for a few days and I'm pretty stuck. I'm working on how much area is...

Nov1011 03:41 PM
mathman

3 
1,237 
How do I draw a graph, when all y values are for intervals. Example: 01000: 20, 10002000: 30. i tried the middle...

Nov1011 01:33 PM
Mark44

1 
1,154 
Howdy,
So I have some data that I suspect to follow a
y=x^p+C
relationship, where p and C are unknown, real...

Nov1011 03:26 AM
ballzac

23 
2,976 
I dont understand the concept (or need for) of vacuous truths/implications. Why is it that if say a statement a is...

Nov1011 01:38 AM
Deveno

43 
4,780 
in some books when we have a function f : A → B , and g : C → D , to prove that they are equal it proves that the...

Nov911 11:53 PM
Deveno

10 
3,538 
The properties arise from infinitely nested functions such as: ...

Nov911 10:15 PM
Matt Benesi

22 
4,102 
I am having a problem finding the correct SI unitsfor the quantity A?
In the equation
A=√(R/TY)
That is A...

Nov911 12:47 PM
zgozvrm

4 
2,751 
This may seem trivial, but for some reason I am having trouble with it. For a and b in the complex plane, I am trying...

Nov911 09:39 AM
Guffel

1 
978 
Okay I wanna be clear, this is not an homework question.
But I have a hard time understanding the concept of what...

Nov811 10:08 PM
LCKurtz

5 
1,944 
Just a quick question. Is it mathematically sound to describe conics and cubic curves in x and y (i.e. defined on the...

Nov811 07:09 PM
jacksonjs20

0 
968 
Can someone please let me know how to find x in
π/4=arctan(x+arctan(x+...)) ?

Nov811 02:15 PM
spamiam

14 
2,446 
what is 3(or i, where i=1,2,3,4......∞) digit arithmetic? is it just working with 3 decimals or 3 significant figures?...

Nov811 09:22 AM
Mark44

5 
4,486 
So there's this graph in chemistry with a curved negative slope shape.
(x, y)
(0.16, 104.61)...

Nov811 12:39 AM
symbolipoint

5 
2,845 
Hello,
If I can make any number of waves (n) all with the same phase but all within a frequency range of 100200hz,...

Nov711 11:37 AM
hotwheelharry

2 
1,435 
Recently, my friend tested me on a puzzle. The puzzle goes like this, if there is 8 balls (1 of them which weighs...

Nov711 06:47 AM
Simon Bridge

4 
1,994 
In school teachers taught us mathematics only for the sake of passing the board exams, due to that I always found...

Nov611 06:18 AM
Jamma

8 
3,264 
Why is it that many mathematicians in the past who have made significantly profound contributions to the world of...

Nov511 05:32 PM
SteveL27

50 
17,990 
I have always loved math and have done independent theoremproving and research. However, I have had absolutely no...

Nov511 03:57 PM
Acid92

9 
3,336 
Ok, so I found this article that presents an algorithm for deciding whether or not a set of coins allows for use of a...

Nov411 09:30 PM
Appledave

0 
2,223 
Do you think that beauty and aesthetics are subjective or objective things?
I read an article about the Golden...

Nov411 05:02 PM
Deveno

3 
1,331 
Hey,
If I wanted to make up problems that are solved using the law of cosines, shouldn't it work out even if I...

Nov411 03:52 PM
dacruick

3 
1,117 
I have been wanting a book that would contain all mathematical theorems and proofs, such as G.S. Carr's A Synopsis of...

Nov411 02:55 PM
mathwonk

1 
1,609 
What is this kind of diagram actually called? And how does one produce this in latex?

Nov411 08:54 AM
AlephZero

1 
865 
Hello,
first of all, excuse my English. I have no experience witch describing mathematics problems in English.
I...

Nov411 07:33 AM
yaqwsx

2 
1,229 
Hello all,
I have uploaded a .gif of the integral. The limits are just values, as I know what d,h, and σ1 are. d...

Nov411 07:12 AM
Simon Bridge

3 
789 
Seeking opinion regarding included code.
//Processing  Processing.org
int _size = 256;
int _mx, _my;
Ordinate...

Nov411 06:53 AM
phinds

1 
653 
When I use the calculation from Wikipedia that says that the radius of convergence of a series is lim as n goes to...

Nov411 02:45 AM
nomadreid

2 
1,791 
Hi!
I'm having some difficulties understanding WHY sign function's derivative actually is dirac's delta function? Or...

Nov411 12:20 AM
homeomorphic

8 
2,018 
Hi All,
Did my maths B exam the other day but was absolutely stumped by one question. Spent half an hour thinking...

Nov311 08:02 PM
HallsofIvy

1 
814 
Hello everyone, here's a video in a series i'll be doing called mathhelphowto. Here's my first, about factoring!
...

Nov311 06:09 PM
pianoplayer55

0 
1,015 
I will prove the false statement, that n\geq a\Rightarrow n!\geq a^n, n\in \mathbb{N}\left \{ 0 \right \} with...

Nov311 04:23 PM
mathman

5 
2,073 
Hi
I have some data samples and and my job is to find a curve that will fit these values.
The curve that i have...

Nov311 02:27 PM
AlephZero

3 
1,266 
If so, could it be used to integrate sin(x)/ln(x)

Nov211 10:31 PM
homeomorphic

3 
2,438 
a=\frac{62k+1}{k1}
or
a = /
a, k are natural numbers
I must find all a

Nov211 04:24 PM
mathman

4 
1,407 
I'm looking for an algorithm to create a very simple (2 equations, 2 unknowns) linear system of equations that...

Nov211 02:04 PM
gsal

3 
1,356 
Hi,
I have a set of experimental data given in terms of speed u versus distance x. But I want to obtain a plot of...

Nov211 01:43 PM
LCKurtz

2 
1,798 
Dear all
I am trying to work out a price of steel pipe that I have. I have 900 metres of 9 5/8 inch pipe it weighs...

Nov211 01:33 PM
zgozvrm

2 
2,475 
Does anybody know how to solve the next summation? or process, or mathematical program that can solve this? ...

Nov211 01:29 PM
LCKurtz

1 
924 
Hi all,
Does someone have a sense of how much of mathematical discoveries eventually are used in applied science?
...

Nov211 12:57 PM
Cadman

13 
3,267 
Hello!
don t understant the question.
Calculate the error function for f(x)=tan(x), for linear, quadratic and...

Nov211 09:58 AM
jackmell

5 
1,380 