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Calculus

- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
micromass
1 40,083
Taken from http://en.wikipedia.org/wiki/Elliptic_integral: Is it just me, or does it seem like there is an...
Oct4-05 11:06 AM
selfAdjoint
3 3,491
Anyone care to explain the concept of gaussian quatrature? I've tried some websites but they're a little over my head....
Oct3-05 05:52 PM
Dr Transport
3 2,011
Does anyone know how to prove Fubini's Theorem? In multivariable calc., I just accepted it as true but never learned...
Oct2-05 06:40 PM
Hurkyl
28 4,868
I am trying to follow a proof of \Gamma(\frac{1}{2}) = \sqrt{\pi} but in the way i have found this equality: ...
Oct2-05 05:36 PM
Castilla
16 2,700
If I had a function g(x) defined by g(x) = \int_{-\infty}^{\infty} f(x) \delta(x) dx where \delta(x) is the...
Oct2-05 08:49 AM
HallsofIvy
4 2,291
My book says: let p stand for partial, u is a function p(uAx) / px = pu(Ax)/px + up(Ax)/px How can it be...
Oct1-05 06:52 AM
Noone1982
6 1,296
are the integrals: \int_a^{b}dnf(t,n) and \int_a^{b}dnf(t,n)r(n)+\int_a^{b}dkf(t,k)g(k) the same?..i know that...
Sep30-05 09:41 PM
Hurkyl
2 1,486
This thread is kind of an extension of my last, so pardon any overlap. 1) dW = F • dL My teacher says "careful...
Sep29-05 11:07 AM
quasar987
3 1,403
Hey everyone, First of all, I hope this is an OK place for a topology question. I was debating here or of course...
Sep28-05 10:00 PM
philosophking
3 2,215
I'm a bit confused on something elementary. If X is a Hilbert space and A is a subset of X and is uncountable. What...
Sep28-05 06:15 PM
Tzar
2 1,153
Hi all. I'm doing some self studying on limits, and...I have the following problem with this problem... Prove:...
Sep28-05 01:59 PM
Timbuqtu
1 1,510
This integral is driving me nuts :cry: , anyone got a clue? Given two real variables X and Y, one defines the...
Sep28-05 11:16 AM
loloPF
4 1,071
I encountered this problem in one of my math lecture notebooks; Our professor didnt show how it was done, so that...
Sep27-05 10:15 PM
relinquished™
3 1,316
Suppose you start with the number 0. If you Integrate 0 you get 1. Next, if you integrate 1 to get x + C, but for...
Sep27-05 03:49 PM
Edwin
22 6,031
This is not a specific homework question so much as it is a general conceptual question. My analysis book includes...
Sep26-05 10:24 PM
Hurkyl
18 3,146
When is th ebest time to use it and what are some good rules of thumb for it?
Sep26-05 05:21 PM
HallsofIvy
7 3,806
Can anyone help me solve this? \frac{\partial}{\partial t} \int_{0}^{t} f(r,t)g(r)dr That's the generalized...
Sep26-05 03:07 PM
Castilla
12 25,208
Hi, I have a question about doing derivative with respect to a vector, can someone help please. Problem: Suppose A...
Sep26-05 12:27 PM
robphy
3 6,656
:confused: derivating a from v (lorentz transform) ...
Sep25-05 01:17 AM
jaap de vries
2 1,162
This is a problem I found on the internet. In fact, I'm not even in analysis but I'm interested in how it's done. ...
Sep25-05 12:54 AM
jaap de vries
2 1,024
What general constraints on the coefficients of a polynomial of degree n do I need to impose to guarantee that this...
Sep24-05 06:13 PM
Hurkyl
15 3,188
I postet the formula below (attachment). I don't know how we can get from the first step to the second. I mean why...
Sep24-05 03:50 PM
mathman
1 1,309
What do you guys think about Calculus by Shlomo Sternberg? IS this a good combination to learn calculus thoroughly: ...
Sep23-05 11:28 PM
DeadWolfe
1 1,453
the modified dirichlet function (1/q if x is rational = p/q, 0 if x is irrational) is integrable. How is it...
Sep23-05 03:17 PM
asdf60
2 6,677
In a book of Introduction to Probability I found this statement: " Let be F(x) = \int_{-\infty}^{x} f(t)dt. Then,...
Sep23-05 12:41 PM
Castilla
2 3,034
Is it correct that |\sin x|=-\sin x as x\rightarrow 0-? It's clear for a function like y=x, but I ask the question...
Sep23-05 08:39 AM
Kamataat
2 6,303
This journal is the journal that will record my progress through the text: Basic Concepts of Mathematics by Elias...
Sep22-05 05:03 PM
JasonRox
30 8,306
Are there online calculus videos? I'm interested in either calculus lectures or AP Calculus lectures. Thanks! Mark
Sep21-05 12:11 PM
mlowitz
3 8,478
What I'm trying is to rewrite this as on this webpage http://en.wikipedia.org/wiki/Series_%28mathematics%29 under the...
Sep21-05 09:40 AM
arildno
2 1,108
Can someone explain why the following improper integral diverges? Integral 1/x dx from -1 to 1 I know if you...
Sep21-05 09:17 AM
Galileo
3 1,298
Can someone please check my work, thank you Discuss any discontinuities. classify each discontinuity as removable...
Sep21-05 07:36 AM
HallsofIvy
1 1,427
Thanks on the help on the other thread. I, however, have yet another question. In the line integrals, how is it...
Sep21-05 07:25 AM
HallsofIvy
5 1,206
I know this is a chem question in general, but the steps needed to solve this are more mathematical. This is not a...
Sep20-05 04:06 PM
shaner-baner
1 1,319
I'm drawing a blank as to how to approach this one. I've been looking over all trig identities and substitutions I...
Sep20-05 10:35 AM
HallsofIvy
5 3,112
*Let f\left( x \right) be a twice-differentiable function for which \; \mathop {\lim }\limits_{x \to 0^ - }...
Sep20-05 09:38 AM
VietDao29
1 1,120
Hi All, I'm looking for the conformal mapping (using complex functions) that maps the unit circle (or the upper...
Sep20-05 04:24 AM
vanesch
1 4,846
integral of e^(-x^2)dx?
Sep20-05 12:07 AM
shmoe
8 1,522
lim of cos((x^2 + y^2) - 1)/(x^2 + y^2) as (x,y) approaches (0,0) I have no clue how to tackle this problem....
Sep19-05 11:13 AM
HallsofIvy
5 9,503
Say we have a vector, lets use something simple like A = 2xyi + 3yzj Say we want to find the work done on a...
Sep19-05 04:07 AM
TD
3 982
this one looks simpler but i need another one of those tricks i guess: the limit as x-->pi/2 from the left of: ...
Sep18-05 01:42 PM
thenewbosco
1 1,002

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