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- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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Jan16-12 Greg Bernhardt
Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
1 46,523
Hello, This is my first post and I must emphasise that I do not have a science/maths training background and this...
Aug8-13 10:44 AM
2 587
Does anyone have an idea to solve this seri ,containing the bessel function of first kind?
Aug5-10 11:27 AM
0 600
I don't understand this point: Given the open set E = U_(a in L) I_a. Union of open intervals We're showing this...
Mar9-11 10:57 PM
4 1,217
"Define a * b, for a,b \in R by a * b = ab+a+b. What we just have done is defined a new operation *, in terms of the...
Aug12-08 06:33 PM
11 1,612
Could someone please give me a basic idea on the following : a) Use of linear interpolation . the Newton Raphson...
Apr20-06 10:57 PM
6 1,235
Hello everyone. Actually my father is willing to learn calculus. He is good in number system and trigonometry and...
Feb7-12 08:42 AM
8 1,465
Hey guys, i need some help... im trying to compute the triple integral z dx dy dz, where R is the region bounded by...
Dec4-06 02:08 PM
4 1,404
Hello, Can anybody help me by recommending a rigorous calculus textbook. I have done some parts of Thomas's Calculus...
Mar18-11 09:45 PM
4 2,734
I recently had a calculus midterm, but was baffled at how to even start this question. Can anyone point me in the...
Oct12-04 10:54 PM
3 2,049
I am trying to learn the calculus of variations, and I understand the mathematical derivation of the Euler-Lagrange...
Dec16-06 09:32 PM
2 1,680
hello all, i think my question has closer ties to mathematics that's why im posting here. how do i interpret...
Apr2-11 01:00 PM
3 598
A canister is dropped from a helicopter 500m above the ground. Its parachute does not open, but the canister has been...
Feb6-10 01:53 PM
0 4,482
hi, I have this question which is a challenging problem: in this link you will veiw the graph of the question ...
Nov24-07 03:19 AM
2 4,319
This isn't a homework question or anything, but I came across this challenge problem posted on a Harvard Math 25a...
Dec3-09 04:02 PM
5 1,046
Could someone confirm or refute the following statement? f \in L^p\left(X, \mu\right) \: \Leftrightarrow \:...
Oct5-10 05:17 PM
2 999
i'm looking for help finding a closed form expression for the following derivative :...
Feb7-13 08:15 PM
0 516
Who has a pdf copy of the book A Companion to Thomas Korner?
Jun5-10 05:10 PM
2 1,441
"Companion" used to be a great online tome (600+pp) on real analysis, that was available for free. I had printed out...
Mar11-04 02:32 PM
8 4,280
Could anyone help me on this question? Is it true that \sum_{k=n+1}^{2n}\left(\begin{array}{c}...
Dec7-09 03:36 AM
5 1,024
I'm studying the non-linearity effect of power amplifier on multicarrier signal. While modeling the behavior of power...
Jun6-10 11:26 PM
2 786
Hi all. The problem is "Prove that a function which is analytic in the whole plane and satisfies an inequality...
Dec30-10 10:57 AM
3 2,171
Is there any nice trick for finding the Taylor polynomial of a composition of 2 functions, both of which can be...
Oct13-07 01:18 AM
Gib Z
2 1,596
When one writes \int p(t) \, dt is the constant of integration implied? I have always thought that it wasn't necessary...
Jan28-10 05:02 AM
6 1,309
It can be shown from Euler's formula that \left(-1\right)^x = \cos(\pi x) + i\sin(\pi x) However, consider x...
Jul20-12 10:15 AM
5 927
I have u(x,t)=-2xt-x^2 find maximum in region {-2 ≤ x ≤ 2 , 0 ≤ t ≤ 1} I believe to find the critical point first I...
Nov11-04 10:26 AM
1 741
i have the following conjecture about infinite power series let be a function f(x) analytic so it can be expanded...
Aug16-10 11:25 PM
1 917
Is it true that \int_0^1 f(x) dx \in \mathbb{Q} \Rightarrow \int_0^1 x f(x) dx \in \mathbb{Q} ? (Suppose ...
Sep1-11 01:04 PM
4 1,079
i've got the following conjecture about XI function, the following determinant p_n(x) = \det\left with \mu...
Dec11-09 03:03 AM
0 595
let be the multiple integral \int _{V}dV e^{-A_{i,j,k,l}x^{i}x^{j}x^{k}x^{l}} \approx C...
Sep19-08 04:23 AM
0 818
We know that a constant can be moved through limit sign. However, according to my understanding, this result follows...
Jan22-10 08:30 AM
2 1,031
After reading it occurred to me that I could do the same thing to an...
Dec27-06 05:52 PM
matt grime
15 5,508
Dear friends, I am interesting to find some functions g satisfying the following convolution inequality ...
Jun4-12 11:42 AM
Undecided Guy
1 1,009
Hi, can someone please give me an example of what a convolution of a convolution would look like ? Thanks
Jun9-10 07:36 AM
4 1,071
Hello. I have a couple limit problems for my homework and I'm not sure what to do with them. 1. lim x->0 of (a^x -...
Feb24-09 01:05 AM
1 604
1.If you have a vector field F = <-y,x>/(x^2 + y^2) is that the same thing as saying: F = < -y/(x^2+y^2), x/(x^2 +...
Dec2-11 06:04 AM
2 925
integral of 10/((x-1)(x^2+9)) dx integral of x^3/((x+1)^3) dx both these are under the partial fraction section,...
Apr21-04 09:33 PM
3 2,299
given a set of orthogonal polynomials p_{n} (x) with respect to a certain positive measure \mu (x) > 0 on a...
Dec4-09 09:34 AM
0 698
I have a question about university course offerings. This semester I'm taking a course called "Introduction to...
Mar7-10 10:32 AM
fourier jr
3 3,410
Because the administrators recomend to post the topics from classical geometry here, there's one covering problem,...
May3-04 03:21 PM
0 1,666
Hi. I posted this in the Homework question but after 152 views with no right answer, my question looks analytical and...
Nov7-11 01:24 PM
3 1,448

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