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Forum: Differential Equations

Differential Equations Help Forum

  1. Sticky Thread   DE Tutorial - Part IV: Laplace Transforms

    Chris L T521
    laplace, transforms, tutorial
    • Replies: 1
    • Views: 1,252
    Chris L T521
    February 8th 2011, 11:56 PM Go to last post

  2. Sticky Thread   DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

    Chris L T521
    equations, homogeneous, order, tutorial
    • Replies: 5
    • Views: 17,528
    bkarpuz
    March 15th 2010, 12:44 PM Go to last post

  3. Sticky Thread   DE Tutorial - Part III: Systems of Differential Equations

    Chris L T521
    differential, equations, iii, systems, tutorial
    • Replies: 2
    • Views: 898
    Chris L T521
    August 29th 2009, 09:03 PM Go to last post

  4. Sticky Thread   DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

    Chris L T521
    applications, equations, nonhomogenous, order, tutorial
    • Replies: 4
    • Views: 2,138
    Chris L T521
    December 27th 2008, 08:56 AM Go to last post
  5.   Discussions  

  1. x^2 y'' - 5x y' - 7y = x^3

    s3a
    1 Attachment(s)
    • Replies: 4
    • Views: 244
    TheEmptySet
    November 29th 2011, 12:48 PM Go to last post

  2. First order PDE

    Darkprince
    order, pde
    • Replies: 6
    • Views: 226
    Darkprince
    November 28th 2011, 04:25 PM Go to last post

  3. 2nd Order, Homog., Reduction of Order

    mathymathymathy
    2nd, homog, order, reduction
    • Replies: 1
    • Views: 153
    Danny
    November 27th 2011, 06:36 AM Go to last post

  4. How to solve this non-homogenous second order ODE?

    Nikita2011
    nonhomogenous, ode, order, solve
    • Replies: 3
    • Views: 155
    Danny
    November 26th 2011, 05:58 AM Go to last post

  5. Find the Inverse Laplace Transform

    VitaX
    inverse, laplace, transform
    • Replies: 3
    • Views: 173
    VitaX
    November 25th 2011, 10:44 PM Go to last post

  6. Numerical solution to hyperbolic PDE - grid leapfrog.

    kornellster
    grid, hyperbolic, leapfrog, numerical, pde, solution
    • Replies: 8
    • Views: 288
    Ackbeet
    November 25th 2011, 01:52 AM Go to last post

  7. differentiate sec^2 psi

    ain
    differentiate, psi, sec2
    • Replies: 2
    • Views: 167
    Ackbeet
    November 24th 2011, 08:09 AM Go to last post

  8. Vibration of a wine glass

    kanezila
    glass, vibration, wine
    • Replies: 1
    • Views: 368
    CaptainBlack
    November 23rd 2011, 08:32 PM Go to last post

  9. [SOLVED] Modelling with PDEs - Boundary Condition

    Moonysgirl159
    • Replies: 11
    • Views: 264
    Moonysgirl159
    November 23rd 2011, 05:28 AM Go to last post

  10. Solving a differential equation using Laplace transform

    Ulysses
    differential, equation, laplace, solving, transform
    • Replies: 3
    • Views: 381
    mr fantastic
    November 22nd 2011, 04:47 PM Go to last post

  11. Use MATLAB to construct a direction field and typical solution curves

    alexmahone
    construct, curves, direction, field, matlab, solution, typical
    • Replies: 1
    • Views: 238
    CaptainBlack
    November 22nd 2011, 06:04 AM Go to last post

  12. Find the general solution to the equation 2u_x + u_xy = 0

    feyomi
    2ux, equation, general, solution, uxy
    • Replies: 7
    • Views: 236
    Ackbeet
    November 22nd 2011, 04:15 AM Go to last post

  13. Growth/Decay problem

    terrorsquid
    growth or decay, problem
    • Replies: 7
    • Views: 210
    skeeter
    November 21st 2011, 02:47 PM Go to last post

  14. Laplace Transform of this signal?

    nottheface
    laplace, signal, transform
    • Replies: 1
    • Views: 102
    TheEmptySet
    November 21st 2011, 10:02 AM Go to last post

  15. "Constant Solutions" Question

    s3a
    constant solutions, question 2 Attachment(s)
    • Replies: 3
    • Views: 160
    HallsofIvy
    November 21st 2011, 09:04 AM Go to last post

  16. Post Differential equation of the family of curves y=c(x-c)^2

    Vinod
    curves, differential, equation, family, ycxc2
    • Replies: 2
    • Views: 304
    Vinod
    November 21st 2011, 05:49 AM Go to last post

  17. predictor corrector

    myvi
    corrector, predictor
    • Replies: 0
    • Views: 103
    myvi
    November 20th 2011, 08:23 PM Go to last post

  18. question on one of the steps in a weak solution proof

    hatsoff
    proof, question, solution, steps, weak
    • Replies: 1
    • Views: 146
    Jose27
    November 20th 2011, 07:36 PM Go to last post

  19. weak derivative

    Veve
    derivative, weak
    • Replies: 1
    • Views: 267
    Jose27
    November 20th 2011, 07:11 PM Go to last post

  20. Riccati's Equation

    JohnDoe
    equation, riccati
    • Replies: 2
    • Views: 297
    JohnDoe
    November 20th 2011, 07:00 AM Go to last post

  21. Solve y'(x)=(4x+3y-1)^2

    Vinod
    3y12, solve, yx4x
    • Replies: 2
    • Views: 213
    HallsofIvy
    November 19th 2011, 08:10 AM Go to last post

  22. Mixing problem, brine solution

    Lamont
    brine, mixing, problem, solution
    • Replies: 4
    • Views: 382
    Lamont
    November 17th 2011, 11:45 PM Go to last post

  23. Solve y'' - y = -2t - 2δ_3(t), y(0) = 1, y'(0) = -1

    s3a
    2┋t, solve 1 Attachment(s)
    • Replies: 1
    • Views: 110
    TheEmptySet
    November 17th 2011, 08:20 PM Go to last post

  24. Solve y'' + 4y = g(t), y(0) = 7, y'(0) = 4

    s3a
    solve 1 Attachment(s)
    • Replies: 1
    • Views: 232
    Prove It
    November 17th 2011, 08:10 PM Go to last post

  25. Help solving y'=e^(x-y)

    Lamont
    solving, yexy
    • Replies: 2
    • Views: 137
    Lamont
    November 17th 2011, 05:41 PM Go to last post

  26. Solve dU/dT = 1(1-U) using seperation of variables.

    andrew2322
    11u, du or dt, seperation, solve, variables
    • Replies: 3
    • Views: 249
    skeeter
    November 17th 2011, 05:33 PM Go to last post

  27. Solution of 4t dy/dt + y = t^3

    s3a
    dy or dt, solution 1 Attachment(s)
    • Replies: 1
    • Views: 149
    TheEmptySet
    November 17th 2011, 12:52 PM Go to last post

  28. Solve DE using Laplace transform

    alexmahone
    laplace, solve, transform
    • Replies: 1
    • Views: 146
    Ackbeet
    November 17th 2011, 05:06 AM Go to last post

  29. Varations of Parameters

    VonNemo19
    parameters, varations
    • Replies: 2
    • Views: 136
    VonNemo19
    November 17th 2011, 04:35 AM Go to last post

  30. Solve non-linear differential analytically

    pdizzle0
    analytically, differential, nonlinear, solve
    • Replies: 3
    • Views: 203
    chisigma
    November 16th 2011, 07:21 AM Go to last post

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