Threads Tagged with differential Thread / Thread Starter Last Post Replies Views Forum 1. The problem statement, all variables and given/known data Solve the separable differential equation for u ... Sep18-13 01:16 AM mesa 2 289 Calculus & Beyond Homework how do i find the yk value?? the k, tk and mk values makes sense to me Problem #1:... Sep17-13 05:47 PM D H 1 247 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data y = c1e3x+c2xe3x+c3e2xsin(x)+c4e2xcos(x) 2.... Sep17-13 12:52 PM ehild 1 409 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data y = c1e3xcos(2x)+c2e3xsin(2x)+c3+c4x 2. Relevant... Sep17-13 12:48 PM ehild 1 407 Calculus & Beyond Homework I have the differential equation \frac{dM}{dt}=4\pi \rho(r,t)r(t)^2\frac{dr}{dt} which is the first term from... Sep17-13 09:39 AM Chestermiller 5 431 Differential Equations 1. The problem statement, all variables and given/known data Find the input/output differential equation for the... Sep16-13 12:35 PM vela 4 430 Engineering, Comp Sci, & Technology Homework Hi I am working on a problem that ends up having the natural log of a negative e which I'm confused on how to find the... Sep16-13 02:11 AM chrisa88 2 372 Differential Equations 1. The problem statement, all variables and given/known data yy' + x = \sqrt{x^2 + y^2} 2. Relevant equations... Sep14-13 07:46 PM epenguin 10 318 Calculus & Beyond Homework The mass of a sphere with density as a function of radius is M=4\pi \int_0^r\rho(r) r^2dr Lets say the... Sep14-13 04:01 AM JJacquelin 10 704 Calculus I've been wanting to see what this topic is all about for awhile now. I see the word "Manifold" and other terminology... Sep13-13 11:28 PM WannabeNewton 1 716 Science & Math Textbooks Hi! I'm trying to read up on the subject of hypersurfaces related to GR; First and second fundamental form, Theorema... Sep13-13 10:37 AM mathwonk 1 734 Differential Geometry 1. The problem statement, all variables and given/known data Obtain the solution of the differential equation ... Sep12-13 05:25 PM vela 17 440 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Solve the following differential equation: 2.... Sep12-13 01:50 AM vela 14 414 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data $$y''-2y'+5y={ e }^{ x }cos2x$$ 2. Relevant... Sep11-13 12:28 PM DeIdeal 13 582 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Hello everybody :) Now, I have a differential equation... Sep10-13 03:57 PM Lorenc 2 280 Calculus & Beyond Homework Since \frac{dy}{dx} is just considered notation, how can we treat it as an actual fraction when soliving differential... Sep7-13 01:00 AM Simon Bridge 7 353 Differential Equations A second order ode Py'' + Qy' + Ry = 0 is exact if there exists a first order ode Ay' + By such that (Ay' + By)'... Sep6-13 07:42 PM Simon Bridge 3 417 Differential Equations What math subject comes after partial differential equations for physics and electrical engineering majors? Sep4-13 07:53 PM Success 13 807 Academic Guidance This is a quantum mechanics problem, but the problem itself is reduced (naturally) to a differential equations... Sep4-13 03:43 PM Mandelbroth 3 331 Differential Equations I am looking for help solving these two differential equations: 1. x'=-x 2. x'=x2, x(0)=x0 The solutions are... Sep4-13 02:13 AM CompuChip 1 334 Differential Equations How can i solve differential equations that are reducible to exact form? please explain each method. thanks Sep3-13 08:40 AM HallsofIvy 1 256 Differential Equations 1. The problem statement, all variables and given/known data y' + 3y = t + exp(2t) 2. Relevant equations ... Sep2-13 07:59 PM Zondrina 5 393 Calculus & Beyond Homework i tried to solve this question in all the ways i knew but it wouldnt work ..please help xy^2dy/dx + y = x^2 i... Sep2-13 04:53 AM JJacquelin 2 344 Differential Equations Dear All, Recently, I have measured a series of nonlinear vibrational spectra from which I would like to extract... Sep2-13 04:00 AM LiAlH4 2 360 Differential Equations I have read that, if you given a differential equation \frac{dy}{dx} = f(x,y), and can write it in the form... Sep2-13 01:24 AM hellofolks 2 404 Differential Equations Sorry I'm not sure how you get math script on here, so have had to attach it. It is a differential under an... Sep1-13 10:17 AM vanhees71 2 248 Calculus & Beyond Homework The following is a problem statement. locally bounded (or locally (weakly) compact) differential operators of the... Aug29-13 11:33 PM Number Nine 3 433 General Math 1. The problem statement, all variables and given/known data t^2y" + 5ty' + 4y = 0 Possible solutions: y_1(t)... Aug29-13 09:02 PM Jufro 4 403 Calculus & Beyond Homework Problem: Find the solution to the initial Value problem (differential equations)? y'=-y+e^-2x y(0) = 3 ... Aug29-13 06:14 AM Curious3141 5 343 Calculus & Beyond Homework Question: Explain why you cannot solve the ordinary equation? x^2y'' + xy' + (x^2-1)y = 0 My attempt: I don't... Aug28-13 04:07 PM LCKurtz 3 298 Calculus & Beyond Homework The differential equation: y' -2ty = 1. The possible solution: y=e^{t^2} \int^6_0e^{-s^2}ds + e^{t^2}. For the... Aug28-13 08:58 AM HallsofIvy 5 332 Calculus & Beyond Homework Hi. Let me preface this by saying that I know nothing about economics. However, I learned a little bit about the... Aug28-13 01:48 AM vela 3 1,699 Social Sciences My weak spot in math is certainly DEs, I find them pretty boring, and fairly unattractive from an aesthetic point of... Aug26-13 08:18 PM Astrum 9 668 General Math 1. The problem statement, all variables and given/known data Find the ODE of the following (1) du/dy = -u (2)... Aug25-13 07:40 AM CAF123 2 313 Calculus & Beyond Homework Hello all, Would love for someone to help me get a solution for this. So, in essence I am trying to model a... Aug23-13 10:48 AM hail_thy_gt 0 420 Mechanical Engineering I'm studying engineering dynamics. The first chapter is discussing the velocity and acceleration equations; v = ds/dt... Aug20-13 11:25 PM mindheavy 3 470 Calculus is there any general way? i mean i know how to do it in integra form but the course im taking right now requires me to... Aug19-13 11:02 AM vanhees71 1 268 Classical Physics Sorry I couldn't think of any more relevant title. Here's the equation: {x^2} - 3{y^2} + 6xy\frac{{dy}}{{dx}} = 0 ... Aug19-13 10:00 AM HallsofIvy 3 474 Differential Equations I'm entering a differential equations course this coming semester. Is there anything I should review in the coming... Aug16-13 03:41 PM the_wolfman 4 408 Differential Equations I'm trying to find the equilibrium size of a planetesimal which is made of a material whose density is pressure... Aug15-13 08:26 AM jackmell 12 781 Differential Equations