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

Feb2313 09:24 AM
micromass

1 
43,912 
Suppose h and h o f are both C^infty on f(U) and U correspondingly, with U an open set. Assume now that f(U) is open....

Nov1305 12:36 PM
Palindrom

2 
1,277 
I'm looking for the equations of hypertori (e.g. ndimensional tori). By equations I'm mean explicit, implicit, or...

Nov1105 06:32 PM
hypermorphism

1 
958 
I hope you have fun with these...
OK, so you know the geometric series, right? It goes like this:
...

Nov1105 01:26 PM
fourier jr

7 
1,774 
Let be the function Ln\zeta(2e^{s}) does its fourier transform exist?....where \zeta(s) is teh Zeta function of...

Nov1005 08:55 AM
matt grime

1 
1,521 
I've been working with Complex Analysis and have noticed an interesting result.
Under what conditions will the...

Nov905 06:42 AM
saltydog

3 
2,681 

how do i get to solve this...

Nov705 11:39 AM
latyph

5 
1,098 
let be the Bernoulli formula for calculating an integral in the form:
...

Nov705 06:39 AM
dextercioby

1 
7,855 
I was wondering if anyone had any links that could show me some Leibniz theroems or maybe a bio.
Also, I was...

Nov505 06:03 AM
benorin

4 
1,511 
Suppose you have a smooth parametrically defined volume V givin by the following equation.
f(x,y,z,w)= r(u,s,v)...

Nov305 05:15 PM
Edwin

4 
3,365 
I was wondering if a converging infinite series which includes "x" to ascending whole number powers would fit under...

Nov205 07:38 PM
Hurkyl

1 
4,953 
Can any one compute the integration of the error function?

Oct3105 10:07 AM
abdo375

7 
9,217 
I've been having some trouble grasping the conditions necessary to apply the chain rule to achieve the derivative of...

Oct3005 11:13 PM
Robokapp

3 
4,449 
So it is wellknown that for n=2,3,... the following equation holds...

Oct3005 02:54 PM
benorin

0 
2,165 
Hello, a question: is there a reasonable way to obtain \int x^xdx ??

Oct3005 04:31 AM
Johnny Numbers

8 
2,804 
let be the function w(x) that only takes discrete values in the sense that is only defined for x=n being n an...

Oct2905 12:39 PM
Hurkyl

2 
7,607 
So I'm supposed to describe the riemann surface of the following map:
w=z\sqrt{z^21}
I can sort of understand the...

Oct2905 01:43 AM
Haelfix

6 
2,042 
I saw this thing where someone proved that the imaginary number, i, the sqrt(1) was equal to 1.
here it is:
i=...

Oct2805 10:26 PM
masudr

9 
3,584 
I'm guessing not a lot will care about this becasue it's not very relevant, but my calc teacher couldn't do this and I...

Oct2805 10:18 PM
masudr

12 
1,678 
The extreme value theorem says that if a function is continuous on a closed interval then there are an absolute max...

Oct2705 11:04 PM
hypermorphism

11 
13,464 
How can you invert a Taylor serie?
x=y+Ay^2+By^3+Cy^4....
to y=ax+bx^2+cx^3 ...
without the lagrange theorem......

Oct2605 01:29 PM
Tom Mattson

1 
1,533 
Quick question: what does it mean for a measure to have finite mass? (is this another way of saying sigma finite or...

Oct2605 12:27 PM
homology

5 
2,017 
Question about the maclaurin serie and the laplace transform.
For maclaurin serie i wonder, the function used for...

Oct2605 11:47 AM
HallsofIvy

1 
1,571 
Hello,
I have the following equation
\int \!v{dv}={\it GM}\,\int \!{y}^{2}{dy}\]}
Integrating I get...
\}

Oct2505 05:10 PM
opticaltempest

7 
1,785 
OK, so I've been there before, Hilbert Space that is. You know, infinite dimensional function space. At least I...

Oct2505 01:32 PM
benorin

6 
1,573 
Hello, everybody!
I'm a Maths/Physics student at Ecuador. Sorry if my English sucks, i'll try to do my best... Some...

Oct2505 10:57 AM
SebastianG

3 
1,306 
Please for the love of god help me.
I have a fundamental misunderstanding of differentials and Leibniz notation....

Oct2405 06:27 PM
samh

14 
1,943 
I know that there are different definitions for a limit point .
"A number such that for all , there exists a...

Oct2205 12:59 PM
HallsofIvy

6 
4,254 
Ok guys, this is my first post. Please go easy...:redface:
This question is from Morris Kline's Calculus: An...

Oct2205 07:15 AM
neo_

4 
1,260 
Ok, so I want to integrate a general function defined by an infinite product, and let us assume that the product is...

Oct2105 07:09 PM
Jonny_trigonometry

6 
2,114 
I've Googled a while for a proof of the analytic continuation of the Riemann Zeta Function, in the form of \zeta(1s)...

Oct2105 05:34 PM
benorin

4 
1,625 
is this the right section to post contour integral questions?

Oct2105 03:44 PM
hypermorphism

1 
1,162 
I know there are some, but I can't think of any examples.
I asked my teacher after class but she couldn't think of...

Oct2105 11:41 AM
DeadWolfe

8 
1,560 
let be the analytic everywhere function f(x) with limit tending to +oo and oo with oo0 infinite then we want to...

Oct2005 08:24 AM
benorin

11 
1,606 
hi everyone
its funny but all mathssoftware fail solving this "simple" integral
\int \sqrt{\tan x}\, dx
do...

Oct2005 02:22 AM
benorin

12 
13,972 
Hi,
Sorry about the text, but Latex doesnt work.
Can anyone please give me an outline for the derivation of the...

Oct1905 07:15 PM
Hurkyl

2 
3,111 
Someone on this forum mentioned to me the book calculus for dummies is a book, and even though the author mentions...

Oct1905 03:45 PM
SS2006

3 
1,685 
Hi,
I'm doing the following as an exercise to try and get my head around complex numbers. Specifically, I need to...

Oct1905 09:59 AM
sam2

7 
1,858 
What is the path of study to understand stochastic calculus? I bought the book "Elementary Stochastic Calculus with...

Oct1905 08:46 AM
Lonewolf

3 
7,847 
One question I've had lately in my independent study of topology is the problem of how to show two sets are...

Oct1905 08:46 AM
matt grime

7 
2,578 
It is relatively simple to prove the squeeze theorem on the reals, using the usual metric. My question is, can you...

Oct1805 05:00 PM
eddo

2 
1,467 