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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 46,190
Hi Could you please tell me how to integrate it? Thanks ~~ \int_{-\infty}^{\infty} \frac {e^{i\omega t}}...
Nov18-08 01:46 PM
1 2,180
I am having trouble remembering the correct approach here. This is in regards to deriving a governing equation for...
Nov19-08 06:08 AM
1 1,548
I know its a really dumb question and if i reached this far in math i should know do you draw the diagrams...
Nov20-08 05:51 AM
1 1,339
Show that if E is a Borel measurable subset of R, then {(x,y)| x-y is in E} is also measurable in the product space of...
Nov21-08 09:24 AM
Pere Callahan
1 1,480
this is the question, Prove that if f is continuous on (a,b] and if |f| is bounded on then f is integrable on . ...
Nov23-08 05:23 PM
1 3,075
Howdy Ho, partner. I have a series of functions {f_{n}} with f_{n}(x) := x^{n} / (1 + x^{n}) and I am investigating...
Nov23-08 08:46 PM
1 1,555
Does anybody know substitutions that can be used for the following integrals: \int (a^2 - b^2 \cos\theta)^{-3/2}...
Nov24-08 06:21 PM
1 1,090
I've been reading Gunning and Rossi's book on complex analysis in several variables (good book!). They define...
Nov27-08 06:12 AM
1 1,009
Hi. I am having trouble getting started on this problem. I need to find the Laurent series for: f(z) = exp in...
Dec2-08 08:32 PM
1 1,434
hi there! Im doing vector analysis the last two weeks and I feel unsure about this identity. Can anyone of you say...
Dec1-08 01:28 PM
1 971
Is it always true that if; f(x) = f '(x), then; -f (x) = - \int f '(x) ? That is, the negative of a derivative...
Dec1-08 08:35 PM
1 1,050
I got a relation as follow \lambda_k = \frac{2 n(\lambda_k) L}{k} where \lambda_k is a wavelength at mode k, k...
Dec2-08 01:16 PM
1 1,033
Sorry me again THE CRC tables define the above integral as using sqrt(x^2-a^2) let t(x) = sqrt(x^2 - a^2) ...
Dec5-08 10:45 AM
1 2,103
kindly make h or d the subject of the formula y={1/2pi(d-h)}ln(d/h) thank u Moderation Note: e-mail address...
Dec5-08 10:08 AM
1 1,020
Ok, so a teacher showed an example in class awhile back. So im going over my notes right now, and I don't understand a...
Dec7-08 05:07 AM
1 1,362
I'm looking at Gullstrand-plainleve coordinates in Kerr metric. While on the whole, it seems pretty straight forward,...
Dec10-08 03:56 AM
1 1,580
P=P0ekt I'm given that a population doubles in number in 4 hours. Does that mean the k in the function equals 0.5...
Dec9-08 07:43 AM
1 1,205
I am having trouble understanding how to find the limit of a summation. I know the formulas and properties but cannot...
Dec10-08 12:23 AM
1 5,917
Hi, I have an integral that I find quite difficult, I can't obtain anything from mathematica (but I'm far from...
Dec10-08 02:28 PM
1 552
Hi all, i found this problem in a topology book, but it seems to be of an analysis flavour. I'm stumped. Show that...
Dec15-08 01:56 PM
Citan Uzuki
1 779
If I were given a problem to find this limit: ...
Dec15-08 12:01 PM
Citan Uzuki
1 1,494
Hey everyone, I have a system that I know the x,y,z position and the alpha,beta,gamma euler rotation of an object...
Dec15-08 05:37 PM
1 2,679
I've looked everywhere for a method or approach to break down this integral, but so far, nothing. If anyone has any...
Dec20-08 02:01 AM
1 1,305
\Gamma(z) = \int\limits_0^{\infty} t^{z-1} e^{-t} dt I can see that if \textrm{Re}(z)>0, then the integral...
Dec22-08 07:35 AM
1 1,529
Hello! Let's see if you can give me some advice on this: I want to describe a function with a sum of real...
Dec22-08 04:04 PM
Dr. Lady
1 7,883
Hi, I am working on the derivation of an equation on electrokinetic flow in microfluidic. I am stuck at a point...
Dec23-08 12:51 AM
1 3,050
Assuming that I understood correctly one claim from the Riemann's On the Number of Prime Numbers less than a Given...
Dec29-08 01:25 PM
1 1,468
I'm facing the following problem which sounded simple but apparently it is not (at least for me): I have two...
Dec27-08 11:14 PM
1 1,643
Hello! Is there any way of calculating the integral of H_n(x) * H_m(x) * exp(-c^2 x^2) with x going from -infinity...
Jan5-09 06:51 PM
1 3,079
Hi In my lecturer's notes he describes the unit tangent to a curve y=Y(X) as (i + Y'(X)j)/^2)^(0.5)] in an...
Jan6-09 12:41 PM
1 905
See the link, please Laura
Jan8-09 10:13 PM
1 655
A force F of 6 units acts in the direction 30 degrees west of north. An object is constrained to move north-westerly,...
Jan9-09 10:33 AM
1 829
I haven't taken calculus yet, but I'd like to determine the closest parameter value for when a parametric curve...
Jan14-09 10:45 AM
1 1,217
Whatever is a schlicht domain (complex analysis)? Laura
Jan14-09 07:28 AM
1 1,066
Hi, I'm just asking this out of curiousity, but I have never really understood the difference between calculus and...
Jan13-09 12:23 AM
1 4,681
Hello, I have a question on how to do something. I'm not sure whether calculus or trigonometry is needed. this is...
Jan24-09 03:41 PM
1 1,572
Hello, this question is about symmetry of polar coordinates. For a polar-curve to be symmetric around the x-axis we...
Jan16-09 07:17 AM
1 1,230
Let Pn be the statement : any postage of n >= 2 cents can be made of 3-cent and 2-cent stamps. What is wrong with the...
Jan21-09 01:27 PM
1 707
My teacher told me it was best to learn in words. can anyone help me with the correct why to write these. Let n be...
Jan21-09 07:09 PM
1 4,549
We've covering numerical integration in one of my classes this semester, however I'm sort of at a loss as to how to...
Jan24-09 06:37 AM
1 986

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