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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: 1,206
    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: 17,489
    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: 868
    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: 2,084
    Chris L T521
    December 27th 2008, 08:56 AM Go to last post
  5.   Discussions  

  1. What is the difference between a time harmonic and bi-harmonic Green's Function?

    amiroops
    biharmonic, difference, function, green, harmonic, time
    • Replies: 0
    • Views: 172
    amiroops
    August 25th 2011, 02:33 PM Go to last post

  2. Green's function

    amiroops
    function, green
    • Replies: 1
    • Views: 122
    Chandler26
    August 25th 2011, 12:17 PM Go to last post

  3. Vector valued DE system

    MSUMathStdnt
    valued, vector
    • Replies: 3
    • Views: 148
    HallsofIvy
    August 25th 2011, 03:17 AM Go to last post

  4. chain rule

    Suvadip
    chain, rule
    • Replies: 1
    • Views: 160
    Danny
    August 24th 2011, 04:18 AM Go to last post

  5. [SOLVED] 2nd Order Linear PDE Canonical Form Query

    bugatti79
    • Replies: 1
    • Views: 300
    Danny
    August 23rd 2011, 06:34 AM Go to last post

  6. Charpits: Non Linear 1st order PDE: Particular IC

    bugatti79
    1st, charpits, linear, order, pde
    • Replies: 9
    • Views: 276
    Danny
    August 22nd 2011, 12:47 PM Go to last post

  7. Method of undetermined coefficients with the use of matrices - reinventing the wheel?

    protaktyn
    coefficients, matrices, method, reinventing, undetermined, wheel
    • Replies: 0
    • Views: 179
    protaktyn
    August 22nd 2011, 06:38 AM Go to last post

  8. dst differential equation

    jonnyl
    differential, dst, equation 1 Attachment(s)
    • Replies: 2
    • Views: 139
    mr fantastic
    August 22nd 2011, 04:50 AM Go to last post

  9. Second-Order DE with Variable Coefficients

    Downes
    coefficients, secondorder, variable
    • Replies: 5
    • Views: 118
    HallsofIvy
    August 22nd 2011, 02:29 AM Go to last post

  10. Coupled Differential Equations

    Downes
    coupled, differential, equations
    • Replies: 3
    • Views: 186
    Prove It
    August 21st 2011, 06:31 AM Go to last post

  11. differentiating newtons law

    ella745
    differentiating, law, newtons
    • Replies: 5
    • Views: 254
    CaptainBlack
    August 21st 2011, 12:24 AM Go to last post

  12. Calculate Laplace Transform{t}

    MSUMathStdnt
    calculate, laplace, transformt
    • Replies: 6
    • Views: 209
    Ackbeet
    August 20th 2011, 09:03 AM Go to last post

  13. Variable separable question.

    MathYUNoEasy
    question, separable, variable
    • Replies: 1
    • Views: 222
    chisigma
    August 19th 2011, 03:02 AM Go to last post

  14. Heuristic method

    ellenu485
    heuristic, method
    • Replies: 2
    • Views: 194
    ellenu485
    August 18th 2011, 08:38 PM Go to last post

  15. integrating factor Solve x(dy/dx)=y+x^3

    decoy808
    factor, integrating, solve, xdy or dxy
    • Replies: 2
    • Views: 232
    SammyS
    August 16th 2011, 03:11 PM Go to last post

  16. Applied DE

    decoy808
    applied
    • Replies: 1
    • Views: 194
    Prove It
    August 16th 2011, 07:52 AM Go to last post

  17. Finding particular solution from differential equations

    johnsy123
    differential, equations, finding, solution
    • Replies: 7
    • Views: 274
    chisigma
    August 16th 2011, 05:35 AM Go to last post

  18. Differential equation - deflection of bar.

    johnsy123
    bar, deflection, differential, equation
    • Replies: 1
    • Views: 190
    Prove It
    August 16th 2011, 03:00 AM Go to last post

  19. Solve (x^2 + 4y^2+4xy)dy=(2x+4y+1)dx

    animesh271094
    1dx, 4xydy2x, 4y2, solve
    • Replies: 6
    • Views: 322
    math2009
    August 16th 2011, 01:37 AM Go to last post

  20. Slope = [(x^4+2xy-1)/(1+x^2)]

    animesh271094
    2xy1 or 1, slope
    • Replies: 2
    • Views: 178
    FernandoRevilla
    August 15th 2011, 02:45 AM Go to last post

  21. Laplace transform involving Heaviside functions

    halfnormalled
    functions, heaviside, involving, laplace, transform
    • Replies: 1
    • Views: 236
    halfnormalled
    August 14th 2011, 06:50 AM Go to last post

  22. [SOLVED] Find laplace transform of step function

    halfnormalled
    • Replies: 1
    • Views: 211
    halfnormalled
    August 13th 2011, 11:15 AM Go to last post

  23. Second Order Non-Homogenous Differential Equations

    NFS1
    differential, equations, nonhomogenous, order
    • Replies: 12
    • Views: 475
    NFS1
    August 13th 2011, 10:15 AM Go to last post

  24. shock PDE help

    ellenu485
    pde, shock
    • Replies: 1
    • Views: 159
    zzzoak
    August 12th 2011, 12:55 PM Go to last post

  25. Demonstration for separation of variables

    Ulysses
    demonstration, separation, variables
    • Replies: 4
    • Views: 162
    SammyS
    August 12th 2011, 09:36 AM Go to last post

  26. Geometric problem

    Ulysses
    geometric, problem
    • Replies: 1
    • Views: 143
    Ulysses
    August 11th 2011, 05:14 PM Go to last post

  27. u_xx-9x^2 u_yy+2yu=0

    bugatti79
    2yu0, uxx9x2, uyy 2 Attachment(s)
    • Replies: 3
    • Views: 213
    bugatti79
    August 11th 2011, 09:56 AM Go to last post

  28. simple pde: Uxx-Uyy=0

    GIPC
    pde, simple, uxxuyy0
    • Replies: 5
    • Views: 1,069
    HallsofIvy
    August 10th 2011, 01:34 PM Go to last post

  29. PDE help

    ellenu485
    pde
    • Replies: 4
    • Views: 175
    ellenu485
    August 9th 2011, 03:40 PM Go to last post

  30. Differential equation general solution - question 3

    NFS1
    differential, equation, general, question, solution
    • Replies: 1
    • Views: 148
    Prove It
    August 9th 2011, 05:07 AM Go to last post

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