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Differential Equations

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  1. Hurkyl

    [MUST READ] This forum is not for homework or any textbook-style questions.

    Hurkyl, Sep 9, 2004
    micromass
    Feb 23, 2013
    Replies:
    1
    Views:
    31,538
  2. ExtravagantDreams

    Intro. to Differential Equations

    ExtravagantDreams, Sep 20, 2003 ... 3 4 5
    Luccas
    Jul 3, 2012
    Replies:
    95
    Views:
    141,573
  1. ognik

    Understanding coupled Runga Kutta derivation

    ognik, Mar 1, 2015 at 4:59 PM
    ognik
    Mar 1, 2015 at 4:59 PM
    Replies:
    0
    Views:
    1
  2. MarcL

    Can't understand solution by substitution, any help?

    MarcL, Feb 2, 2015
    lurflurf
    Mar 1, 2015 at 1:48 PM
    Replies:
    5
    Views:
    140
  3. nate9519

    system of diff eqs modeling tanks of brine

    nate9519, Feb 26, 2015 at 4:00 PM
    Chestermiller
    Mar 1, 2015 at 8:30 AM
    Replies:
    2
    Views:
    72
  4. joshmccraney

    Fourier Transform

    joshmccraney, Feb 28, 2015 at 12:15 AM
    joshmccraney
    Feb 28, 2015 at 2:23 PM
    Replies:
    8
    Views:
    63
  5. Amit Abir

    Dirichlet and Nuemann condition on the same boundary

    Amit Abir, Feb 27, 2015 at 12:32 PM
    Amit Abir
    Feb 27, 2015 at 5:51 PM
    Replies:
    2
    Views:
    37
  6. mhsd91

    2D Stationary advection-diffusion eq. as a BVP

    mhsd91, Feb 20, 2015
    pasmith
    Feb 27, 2015 at 4:15 PM
    Replies:
    6
    Views:
    102
  7. Adrian Soo

    Piecewise MATLAB ode45 problem for Lennard-Jones

    Adrian Soo, Feb 16, 2015
    DrClaude
    Feb 27, 2015 at 8:22 AM
    Replies:
    5
    Views:
    78
  8. Wietlol

    Calculate the Pitch of a projectile with moving destination

    Wietlol, Feb 20, 2015
    mfb
    Feb 26, 2015 at 6:47 PM
    Replies:
    15
    Views:
    174
  9. nate9519

    help with radioactive decay

    nate9519, Feb 25, 2015 at 3:58 PM
    epenguin
    Feb 25, 2015 at 5:57 PM
    Replies:
    3
    Views:
    52
  10. dam

    Help with first order second degree diff. eq.

    dam, Feb 7, 2015
    dam
    Feb 25, 2015 at 3:35 AM
    Replies:
    7
    Views:
    179
  11. acrusera

    DE for modelling motion of a box

    acrusera, Feb 23, 2015 at 11:48 PM
    HallsofIvy
    Feb 24, 2015 at 6:55 AM
    Replies:
    4
    Views:
    49
  12. joker2014

    Solve the ODE with initial condition:

    joker2014, Feb 23, 2015 at 9:42 PM
    joker2014
    Feb 23, 2015 at 10:18 PM
    Replies:
    4
    Views:
    45
  13. bubblewrap

    A Question about fractional calculus

    bubblewrap, Feb 6, 2015
    Strum
    Feb 23, 2015 at 2:07 AM
    Replies:
    8
    Views:
    215
  14. ahsanamin

    Numerical Solution of PDEs on most natural and novel grid

    ahsanamin, Feb 21, 2015
    ahsanamin
    Feb 22, 2015
    Replies:
    4
    Views:
    92
  15. tomizzo

    Differential Relation?

    tomizzo, Feb 19, 2015
    HallsofIvy
    Feb 22, 2015
    Replies:
    2
    Views:
    52
  16. malignant

    Linearity of PDE

    malignant, Feb 22, 2015
    BruceW
    Feb 22, 2015
    Replies:
    4
    Views:
    65
  17. Ojo Saheed

    How to reduce higher order partial differential equations

    Ojo Saheed, Feb 19, 2015
    Ojo Saheed
    Feb 20, 2015
    Replies:
    4
    Views:
    147
  18. logan3

    What's the General Solution to This IVP?

    logan3, Feb 17, 2015
    Raghav Gupta
    Feb 19, 2015
    Replies:
    3
    Views:
    104
  19. mjordan2nd

    Laplaces' s equation in spherical coordinates

    mjordan2nd, Feb 17, 2015
    fluidistic
    Feb 17, 2015
    Replies:
    4
    Views:
    65
  20. joshmccraney

    Wronskian question

    joshmccraney, Feb 15, 2015
    joshmccraney
    Feb 16, 2015
    Replies:
    2
    Views:
    70
  21. mjordan2nd

    On the orthogonality of Sturm-Liouville eigenvectors

    mjordan2nd, Feb 13, 2015
    Orodruin
    Feb 15, 2015
    Replies:
    3
    Views:
    100
  22. num3n

    Runge Kutta Method

    num3n, Jan 24, 2015
    nick10686
    Feb 10, 2015
    Replies:
    3
    Views:
    149
  23. bubblewrap

    Can you cancel a function out of a differential equation?

    bubblewrap, Feb 3, 2015
    Khashishi
    Feb 6, 2015
    Replies:
    5
    Views:
    184
  24. Kavorka

    First-Order Equations: don't understand a simplification step

    Kavorka, Feb 5, 2015
    Mark44
    Feb 6, 2015
    Replies:
    2
    Views:
    96
  25. CaseyGross

    Numerical Solution to Complex DiffEQ??

    CaseyGross, Feb 4, 2015
    DrClaude
    Feb 6, 2015
    Replies:
    3
    Views:
    82
  26. pantheid

    How big of a field is Differential Forms?

    pantheid, Jan 26, 2015
    mathwonk
    Feb 5, 2015
    Replies:
    6
    Views:
    212
  27. WelshCorgiDude

    Need help solving second-order nonlinear differential eq

    WelshCorgiDude, Feb 3, 2015
    Brian T
    Feb 5, 2015
    Replies:
    3
    Views:
    101
  28. Kurret

    How to improve stabilities of numerical solutions of PDEs

    Kurret, Jan 27, 2015
    DEvens
    Feb 3, 2015
    Replies:
    3
    Views:
    117
  29. bolbteppa

    Using Lie Groups to Solve & Understand First Order ODE's

    bolbteppa, Jun 14, 2013 ... 2
    bolbteppa
    Feb 2, 2015
    Replies:
    31
    Views:
    5,076
  30. joshmccraney

    Similarity Solutions

    joshmccraney, Jan 25, 2015
    Chestermiller
    Jan 31, 2015
    Replies:
    6
    Views:
    110
  31. Yunjia

    Nonlinear transform can separate function composition?

    Yunjia, Jan 28, 2015
    Stephen Tashi
    Jan 30, 2015
    Replies:
    1
    Views:
    99
  32. rumborak

    Boundary absorption when simulating wave equation

    rumborak, Jan 26, 2015
    bigfooted
    Jan 30, 2015
    Replies:
    3
    Views:
    87
  33. joshmccraney

    PDE and differentiating through the sum

    joshmccraney, Jan 28, 2015
    Orodruin
    Jan 30, 2015
    Replies:
    1
    Views:
    77
  34. aaaa202

    Boundary conditions - unique solution

    aaaa202, Jan 27, 2015
    Chestermiller
    Jan 27, 2015
    Replies:
    3
    Views:
    74
  35. karlzr

    A question about Green's function

    karlzr, Jan 23, 2015
    karlzr
    Jan 26, 2015
    Replies:
    2
    Views:
    114
  36. dgamma3

    Understanding separable ODES

    dgamma3, Jan 25, 2015
    dgamma3
    Jan 26, 2015
    Replies:
    4
    Views:
    144
  37. jssdenton

    Numerically solving system of four PDEs

    jssdenton, Jan 21, 2015
    Strum
    Jan 26, 2015
    Replies:
    8
    Views:
    222
  38. yosimba2000

    Navier-Stokes and why DP/Dz is constant

    yosimba2000, Jan 19, 2015
    pasmith
    Jan 25, 2015
    Replies:
    7
    Views:
    140
  39. micheal9000

    Matlab finite difference schemes

    micheal9000, Jan 20, 2015
    da_nang
    Jan 20, 2015
    Replies:
    1
    Views:
    114
  40. electronic engineer

    Third order differential equation

    electronic engineer, Jan 16, 2015
    BruceW
    Jan 17, 2015
    Replies:
    3
    Views:
    160
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