Threads Tagged with differential Thread / Thread Starter Last Post Replies Views Hi, i have to reduce the order of a 2nd order differential equation, to solve it with a numerical method. The... Nov4-13 10:45 AM vanhees71 4 491 Differential Equations Hello everyone, I'm having trouble understanding the solutions to DE's of the form: ay''+by'+cy=f(t) We've gone... Nov2-13 02:41 AM Legaldose 2 552 Differential Equations I'm looking at this scenario where a car is moving and then shifts into neutral. Knowing the initial velocity, how can... Nov1-13 09:32 PM Chestermiller 2 589 General Physics Hi, I have problem I know I should be able to do but I've been stuck on it for a while. Just looking to be pointed in... Nov1-13 05:22 PM rude man 4 755 Engineering, Comp Sci, & Technology Homework So, I understand that the derivative operator, D=\frac{d}{dx} has translational invariance, that is: x \rightarrow x -... Oct31-13 07:56 PM JPaquim 2 547 General Math 1. The problem statement, all variables and given/known data Solve 12y'' -5y' -2y = 0 2. Relevant equations ... Oct31-13 09:34 AM Jbreezy 24 757 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A certain nuclear plant produces radioactive waste in... Oct30-13 05:35 PM ehild 7 384 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A car starts from rest.When it is at a distance s from... Oct30-13 04:48 PM haruspex 4 577 Calculus & Beyond Homework Hi there, I'm trying to derive the following equation, but despite internet searching haven't been able to figure... Oct29-13 11:53 AM HallsofIvy 3 543 Differential Equations 1. The problem statement, all variables and given/known data Find the general solution of the equation (\zeta -... Oct29-13 05:10 AM perishingtardi 2 344 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Okay, I am trying to solve this Anharmonic Oscillator... Oct29-13 04:54 AM bluesquare 2 392 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A homicide victim is found to have a temperature of 31°C... Oct29-13 02:05 AM Simon Bridge 6 577 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data a. Assume that yo dollars are deposited into an account... Oct29-13 01:07 AM fogvajarash 5 577 Calculus & Beyond Homework I am trying to solve this system DE's to determine the systems First Integral. dx/dt = y+x2-y2 dy/dt = -x-2xy I... Oct28-13 06:53 AM tiny-tim 10 638 Differential Equations 1. The problem statement, all variables and given/known data Solve d^2x/dt^2 = (3x^3)/2 when dx/dt = -8 and x... Oct28-13 01:26 AM Woolyabyss 2 461 Calculus & Beyond Homework For polar coordinates, ##u(x,y)=u(r,\theta)##. Using Chain Rule: \frac{\partial u}{\partial x}=\frac{\partial... Oct27-13 02:20 PM arildno 9 542 Calculus for a function f(x,t) Ito's lemma (from Taylor series) to get df df = \frac{\partial f}{\partial x} dx +... Oct27-13 03:00 AM HJ Farnsworth 7 695 Calculus Hi all, I was wondering where I could learn differential geometry online. Preferably via videos. If anyone could post... Oct26-13 03:49 PM Jorriss 1 1,011 Differential Geometry Hi, I'm somewhat new here, only posted a few times, and would like some help from you guys here if possible I'm... Oct26-13 02:24 PM hops1 18 792 Differential Equations 1. The problem statement, all variables and given/known data using the method of separation of variables, solve... Oct26-13 01:39 PM tiny-tim 1 444 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Suppose ##\phi(x)## is a function with a continuous... Oct25-13 11:54 PM DeadOriginal 2 377 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Solve (d^2x)/(dt^2) = 2x(9 + x^2) given that dx/dt = 9... Oct25-13 10:13 PM Woolyabyss 2 474 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data I have fallen behind on my Numerical Methods course and... Oct24-13 10:35 AM UltrafastPED 1 381 Calculus & Beyond Homework Example 1. A non ideal gas undergoes isothermal doubling of the pressure and you are asked to calculate the total... Oct24-13 08:32 AM HallsofIvy 1 382 Calculus & Beyond Homework Consider a triangulated discrete manifold (a polyhedron) with known vertices (i.e. each vertex is given in terms of... Oct24-13 03:40 AM teodron 0 874 Differential Geometry Example 1. A non ideal gas undergoes isothermal doubling of the pressure and you are asked to calculate the total... Oct23-13 04:03 PM Chestermiller 1 449 Introductory Physics Homework Hi, The definition (see attachment) says that f(x) is a solution to the differential equation if it satisfies the... Oct22-13 10:25 PM BTP 1 592 Differential Equations 1. The problem statement, all variables and given/known data Right so I had a standard systems of diff eqs involving... Oct22-13 09:18 AM usn7564 2 305 Calculus & Beyond Homework can anyone direct me to a website that gives adequate treatment of the numerical solution of partial differential... Oct21-13 09:43 AM Chestermiller 1 370 Differential Equations Consider the following differential equations with initial conditions at time $t_0$ specified: \dot{x}_1 =... Oct20-13 10:14 PM Only a Mirage 0 319 Differential Equations hello everyone we demonstrate the linearity in a function by a superposition principle..as in f(x)=y... Oct20-13 11:06 AM shivaniits 0 316 Calculus So what exactly is the difference between these two things? I understand their individual uses perfectly well, I think... Oct18-13 04:16 PM MuIotaTau 9 481 Classical Physics 1. The problem statement, all variables and given/known data http://www.bildites.lv/images/0ogitdsnch30040rzerr.png... Oct18-13 03:13 PM gneill 17 604 Engineering, Comp Sci, & Technology Homework Good day. I was wondering if you could help me solve this first order linear partial differential equation: / = /... Oct18-13 12:25 PM berkeman 1 289 Differential Equations 1. The problem statement, all variables and given/known data Find the general solution: y'' - y' - 2y = -2t +... Oct17-13 11:42 PM oneamp 2 630 Calculus & Beyond Homework So, I'm trying to solve 2nd order linear differential equations (series solutions near a singular point). (lnx)y"... Oct15-13 11:14 PM Gridvvk 0 353 Calculus & Beyond Homework Solve ##au_{x} + bu_{y} = f(x,y)##, where ##f(x,y)## is a given function. If ##a \neq 0##, write the solution in the... Oct15-13 09:41 PM Tsunoyukami 4 403 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data http://www.bildites.lv/images/zidurtja43lr71tzla.png ... Oct14-13 02:19 PM gneill 18 810 Engineering, Comp Sci, & Technology Homework 1. The problem statement, all variables and given/known data Let ##Q(x)=\sum_{j,i=1}^nC_{ij}x^ix^j ## and... Oct14-13 04:36 AM Felafel 0 314 Calculus & Beyond Homework A few topics we are covering in class are: Gauss map, Gauss curvature, normal curvature, shape operator, principal... Oct13-13 05:09 PM Lee33 2 328 Calculus & Beyond Homework