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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:
    31,563
  2. ExtravagantDreams

    Intro. to Differential Equations

    ExtravagantDreams, Sep 20, 2003 ... 3 4 5
    Luccas
    Jul 3, 2012
    Replies:
    95
    Views:
    141,624
  1. cvex

    How to get the laplacian of a scalar field?

    cvex, Mar 4, 2015 at 7:20 PM
    cvex
    Mar 4, 2015 at 11:00 PM
    Replies:
    2
    Views:
    71
  2. joshmccraney

    fourier transform problem

    joshmccraney, Mar 4, 2015 at 9:45 PM
    joshmccraney
    Mar 4, 2015 at 9:45 PM
    Replies:
    0
    Views:
    19
  3. ognik

    Understanding coupled Runga Kutta derivation

    ognik, Mar 1, 2015 at 4:59 PM
    ognik
    Mar 2, 2015 at 9:35 PM
    Replies:
    2
    Views:
    53
  4. MarcL

    Can't understand solution by substitution, any help?

    MarcL, Feb 2, 2015
    lurflurf
    Mar 1, 2015 at 1:48 PM
    Replies:
    5
    Views:
    161
  5. joshmccraney

    Fourier Transform

    joshmccraney, Feb 28, 2015 at 12:15 AM
    joshmccraney
    Feb 28, 2015 at 2:23 PM
    Replies:
    8
    Views:
    86
  6. 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:
    53
  7. mhsd91

    2D Stationary advection-diffusion eq. as a BVP

    mhsd91, Feb 20, 2015
    pasmith
    Feb 27, 2015 at 4:15 PM
    Replies:
    6
    Views:
    114
  8. 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:
    93
  9. Wietlol

    Calculate the Pitch of a projectile with moving destination

    Wietlol, Feb 20, 2015
    mfb
    Feb 26, 2015
    Replies:
    15
    Views:
    190
  10. nate9519

    Help with radioactive decay

    nate9519, Feb 25, 2015
    epenguin
    Feb 25, 2015
    Replies:
    3
    Views:
    63
  11. dam

    Help with first order second degree diff. eq.

    dam, Feb 7, 2015
    dam
    Feb 25, 2015
    Replies:
    7
    Views:
    185
  12. acrusera

    DE for modelling motion of a box

    acrusera, Feb 23, 2015
    HallsofIvy
    Feb 24, 2015
    Replies:
    4
    Views:
    51
  13. joker2014

    Solve the ODE with initial condition:

    joker2014, Feb 23, 2015
    joker2014
    Feb 23, 2015
    Replies:
    4
    Views:
    47
  14. bubblewrap

    A Question about fractional calculus

    bubblewrap, Feb 6, 2015
    Strum
    Feb 23, 2015
    Replies:
    8
    Views:
    220
  15. ahsanamin

    Numerical Solution of PDEs on most natural and novel grid

    ahsanamin, Feb 21, 2015
    ahsanamin
    Feb 22, 2015
    Replies:
    4
    Views:
    97
  16. tomizzo

    Differential Relation?

    tomizzo, Feb 19, 2015
    HallsofIvy
    Feb 22, 2015
    Replies:
    2
    Views:
    54
  17. malignant

    Linearity of PDE

    malignant, Feb 22, 2015
    BruceW
    Feb 22, 2015
    Replies:
    4
    Views:
    68
  18. Ojo Saheed

    How to reduce higher order partial differential equations

    Ojo Saheed, Feb 19, 2015
    Ojo Saheed
    Feb 20, 2015
    Replies:
    4
    Views:
    156
  19. logan3

    What's the General Solution to This IVP?

    logan3, Feb 17, 2015
    Raghav Gupta
    Feb 19, 2015
    Replies:
    3
    Views:
    106
  20. mjordan2nd

    Laplaces' s equation in spherical coordinates

    mjordan2nd, Feb 17, 2015
    fluidistic
    Feb 17, 2015
    Replies:
    4
    Views:
    70
  21. joshmccraney

    Wronskian question

    joshmccraney, Feb 15, 2015
    joshmccraney
    Feb 16, 2015
    Replies:
    2
    Views:
    73
  22. mjordan2nd

    On the orthogonality of Sturm-Liouville eigenvectors

    mjordan2nd, Feb 13, 2015
    Orodruin
    Feb 15, 2015
    Replies:
    3
    Views:
    105
  23. num3n

    Runge Kutta Method

    num3n, Jan 24, 2015
    nick10686
    Feb 10, 2015
    Replies:
    3
    Views:
    152
  24. bubblewrap

    Can you cancel a function out of a differential equation?

    bubblewrap, Feb 3, 2015
    Khashishi
    Feb 6, 2015
    Replies:
    5
    Views:
    187
  25. Kavorka

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

    Kavorka, Feb 5, 2015
    Mark44
    Feb 6, 2015
    Replies:
    2
    Views:
    100
  26. CaseyGross

    Numerical Solution to Complex DiffEQ??

    CaseyGross, Feb 4, 2015
    DrClaude
    Feb 6, 2015
    Replies:
    3
    Views:
    84
  27. pantheid

    How big of a field is Differential Forms?

    pantheid, Jan 26, 2015
    mathwonk
    Feb 5, 2015
    Replies:
    6
    Views:
    215
  28. WelshCorgiDude

    Need help solving second-order nonlinear differential eq

    WelshCorgiDude, Feb 3, 2015
    Brian T
    Feb 5, 2015
    Replies:
    3
    Views:
    104
  29. Kurret

    How to improve stabilities of numerical solutions of PDEs

    Kurret, Jan 27, 2015
    DEvens
    Feb 3, 2015
    Replies:
    3
    Views:
    118
  30. bolbteppa

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

    bolbteppa, Jun 14, 2013 ... 2
    bolbteppa
    Feb 2, 2015
    Replies:
    31
    Views:
    5,084
  31. joshmccraney

    Similarity Solutions

    joshmccraney, Jan 25, 2015
    Chestermiller
    Jan 31, 2015
    Replies:
    6
    Views:
    112
  32. Yunjia

    Nonlinear transform can separate function composition?

    Yunjia, Jan 28, 2015
    Stephen Tashi
    Jan 30, 2015
    Replies:
    1
    Views:
    101
  33. rumborak

    Boundary absorption when simulating wave equation

    rumborak, Jan 26, 2015
    bigfooted
    Jan 30, 2015
    Replies:
    3
    Views:
    90
  34. joshmccraney

    PDE and differentiating through the sum

    joshmccraney, Jan 28, 2015
    Orodruin
    Jan 30, 2015
    Replies:
    1
    Views:
    80
  35. aaaa202

    Boundary conditions - unique solution

    aaaa202, Jan 27, 2015
    Chestermiller
    Jan 27, 2015
    Replies:
    3
    Views:
    77
  36. karlzr

    A question about Green's function

    karlzr, Jan 23, 2015
    karlzr
    Jan 26, 2015
    Replies:
    2
    Views:
    118
  37. dgamma3

    Understanding separable ODES

    dgamma3, Jan 25, 2015
    dgamma3
    Jan 26, 2015
    Replies:
    4
    Views:
    147
  38. jssdenton

    Numerically solving system of four PDEs

    jssdenton, Jan 21, 2015
    Strum
    Jan 26, 2015
    Replies:
    8
    Views:
    225
  39. yosimba2000

    Navier-Stokes and why DP/Dz is constant

    yosimba2000, Jan 19, 2015
    pasmith
    Jan 25, 2015
    Replies:
    7
    Views:
    143
  40. micheal9000

    Matlab finite difference schemes

    micheal9000, Jan 20, 2015
    da_nang
    Jan 20, 2015
    Replies:
    1
    Views:
    117
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