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Calculus

- 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
micromass
1 46,100
First I need to post some pages of a book that I'm reading... http://img824.imageshack.us/img824/5153/42785753.png...
Aug25-10 01:48 PM
HallsofIvy
4 1,039
Hi! I'm trying to understand how do i get the phase spectrum from a Fourier Transform. From this site ...
Aug25-10 02:41 AM
Petr Mugver
7 5,323
Hi I'm now reading about Vector fields, everything is clear and intuitive for me as curl divergence ..ect , except...
Aug23-10 09:29 PM
qbert
26 3,685
where do a multiple Taylor series converge ?? i mean if given a function f(x,y) can i expand this f into a double...
Aug23-10 03:31 PM
mathman
1 1,686
why are ther Taylor series in several variables (x_{1} , x_{2} ,....., x_{n} but there are NO Laurent series in...
Aug23-10 02:54 PM
zetafunction
4 2,484
http://planetmath.org/?op=getobj&from=objects&id=4370 that's pretty much the proof of Stolkes Theorem given in Spivak...
Aug23-10 05:39 AM
quasar987
1 1,655
I am looking for math software that will fit a set of points with a cubic spline (or other technique)....then allow...
Aug23-10 04:32 AM
The legend
9 2,243
Let X be compactly embedded in Y. Assume also that there is a sequence f_n in X such that f_n converges to f weakly...
Aug21-10 03:39 PM
NSAC
2 1,971
Consider the real function f(x,y)=xy(x2+y2)-N,in the respective cases N = 2,1, and 1/2. Show that in each case the...
Aug21-10 01:12 AM
Hurkyl
3 1,182
I was thinking how do I differentiate the domain of functions... Suppose I have a function: f(x) =...
Aug20-10 02:44 PM
statdad
4 1,430
ehhh
Aug20-10 11:25 AM
slider142
7 1,602
Here is a different way I (think I) proved that the derivative of e^x is...
Aug20-10 11:18 AM
Mute
4 1,231
I know it's trivial....but how do you find the Fourier series of sin(x) itself? I seem to get everything going to...
Aug20-10 02:51 AM
QuantumPhenom
8 38,559
This question comes from Theorem 16.3 of Bartle's "The Elements of Integration and Lebesgue Measure", in page 163. The...
Aug19-10 08:36 PM
adriank
2 1,923
\operatorname{div}\,\mathbf{F}(p) = \lim_{V \rightarrow \{p\}} \iint_{S(V)} {\mathbf{F}\cdot\mathbf{n} \over |V| }...
Aug19-10 06:32 PM
arildno
3 3,958
Consider the function g(t) = f(t)/t on , where f is measurable on . Does it follow that g is measurable on ? I know...
Aug19-10 02:22 PM
Landau
2 994
I understand that showing \mathbb Q is not a G_\delta set is quite a non-trivial exercise, involving (among other...
Aug19-10 01:36 PM
adriank
5 2,403
How do I integrate sin(x^2) please? Not (sin(x))^2. Thanks again
Aug19-10 11:23 AM
Char. Limit
9 1,716
In spherical coordinates, you have one angle that goes from 0 to \pi and one that goes from 0 to 2 \pi. I'm having a...
Aug19-10 09:44 AM
NanakiXIII
4 2,391
Hey people can someone point out to me please where I'm going wrong with part B of this question, can't get it to look...
Aug18-10 06:41 PM
luckyducky87
4 3,600
I'm reading about lateral derivatives... I know that a function is said derivable on a point if the lateral...
Aug18-10 06:13 PM
Taturana
4 2,686
Hello all, I am currently studying multivariable calculus, and I am interested in the Taylor series for two...
Aug18-10 09:11 AM
adoado
4 5,580
I'm not even sure if that's the right name, but my question is when you have a \delta under the integral. For...
Aug18-10 08:59 AM
Mute
10 2,161
Wikipedia shows a proof of product rule using differentials by Leibniz. I am trying to correlate it to the definition...
Aug18-10 08:41 AM
ross_tang
5 1,083
How to solve these integrals, such as- sqrt(a^2 + x^2) & sqrt(2 + x^2) Please be as descriptive and simple as...
Aug18-10 08:32 AM
HallsofIvy
2 885
So I came across the statement: Since x_n -> \inf then x_n_+_1 -> \inf This is very basic, But I'm already...
Aug18-10 08:22 AM
Dickfore
4 1,621
Is it possible to take a derivative with respect to a function, rather than just a variable? I'll give a simple...
Aug18-10 08:17 AM
HallsofIvy
8 1,423
Assume that I know the value of \iint_{S} \overrightarrow{F} \cdot \hat{n} dS over any surface in \mathbb{R}^3, where...
Aug18-10 04:04 AM
Petr Mugver
3 1,024
How to differentiate y = 8 ln x - 9 x with respect to x^2?
Aug17-10 09:18 AM
quasar987
5 1,086
For my current research, I need to prove the following: \int_0^1 \frac{dC(q(x) + k'(q'(x) - q(x)))}{dk'}\,dk' =...
Aug17-10 09:05 AM
ross_tang
1 1,079
I understand how this works: \cos x = \frac{1}{0!} - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{6!} +...
Aug17-10 08:36 AM
ross_tang
2 2,105
Hi there! I am having a bit of a trouble when I try to work out a demonstration involving Dirac delta functions. I...
Aug17-10 08:33 AM
juriguen
2 1,218
In my book, it says that the Binomial Series is \sum_{n=0}^{\infty }\binom{n}{r} x^n Where \binom{n}{r} =...
Aug17-10 05:45 AM
ross_tang
6 2,820
My Pre-Cal teacher gave us this problem today. I have worked on it for a very long time and have goten no where...
Aug17-10 04:49 AM
martinbell
11 3,631
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
Eynstone
1 906
I want to express A as a function of B in the following equation: curl{A}=B So I need the inverse of the curl...
Aug16-10 03:54 PM
Anthony
5 2,911
form zero to infinity of ((exp((ix-s)*k))/k) dk
Aug16-10 08:22 AM
qspeechc
1 1,007
Does anyone know of any examples of the explicit calculation of the Laurent series of a complex function? Any...
Aug16-10 08:05 AM
zetafunction
5 12,453
http://i33.tinypic.com/i2vo1z.png in that picture is a practice problem from a site I am using. I have highlighted...
Aug15-10 11:44 PM
Xtensity
20 2,545
Is there a way to make sense of the following statement: "f is continuous at a point x_0 such that f(x_0) = \infty?"...
Aug15-10 02:09 PM
Mute
1 974

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