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Forum: Differential Equations

Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Bessel Functions Cheat Sheet

    Started by Ackbach, September 11th, 2015 10:13
    • Replies: 0
    • Views: 1,159
    September 11th, 2015, 10:13 Go to last post
  3. Sticky Thread Strm-Liouville Problem Cheat Sheet

    Started by Ackbach, September 4th, 2015 10:10
    • Replies: 0
    • Views: 1,008
    September 4th, 2015, 10:10 Go to last post
  4. Sticky Thread Status of DE Tutorial

    Started by Chris L T521, December 26th, 2012 03:16
    • Replies: 4
    • Views: 2,185
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. General DE questions and help

    Started by DrWahoo, December 6th, 2017 14:37
    • Replies: 2
    • Views: 100
    Yesterday, 04:02 Go to last post
  3. Inverse and differentation of an equation

    Started by ertagon2, November 16th, 2017 13:31
    2 Pages
    1 2
    • Replies: 16
    • Views: 321
    November 25th, 2017, 08:54 Go to last post
  4. Differential equation w/ cos and sin

    Started by Emjay, November 16th, 2017 06:39
    begin, cos, differential, x^2, y=yx
    • Replies: 1
    • Views: 52
    November 16th, 2017, 07:03 Go to last post
  5. [SOLVED] t1.13 solve the initial value problem

    Started by karush, November 10th, 2017 00:17
    hope, hours, initial, inside, suggestions
    • Replies: 1
    • Views: 67
    November 10th, 2017, 00:56 Go to last post
  6. Bounded Solution For Differential Inequality

    Started by Roger, October 4th, 2017 04:32
    bounded, differential, inequality, positive, solution
    • Replies: 5
    • Views: 278
    November 7th, 2017, 22:51 Go to last post
  7. Time Scale Calculus

    Started by DrWahoo, November 7th, 2017 04:57
    dissertation, introducing, research, time, topic
    • Replies: 0
    • Views: 75
    November 7th, 2017, 04:57 Go to last post
  8. Any one who can solve this?

    Started by kayella19, July 29th, 2017 09:45
    m9m+9mn-3n-ndn, n9m+18m-mn-ndm, solve
    • Replies: 7
    • Views: 449
    November 7th, 2017, 04:50 Go to last post
  9. Problem 13 from section 16.1 of Taylor's PDE textbook.

    Started by Alan, November 3rd, 2017 13:40
    • Replies: 1
    • Views: 91
    November 3rd, 2017, 14:19 Go to last post
  10. Well-posedness of a complex PDE.

    Started by Alan, October 1st, 2017 05:56
    assistance, hope, question, reply, well-posedness
    • Replies: 5
    • Views: 260
    October 3rd, 2017, 14:26 Go to last post
  11. Solutions to Bessel's equation with Wolfram

    Started by Joppy, August 28th, 2017 06:20
    $nu$, bessels, equation, solutions, wolfram
    • Replies: 2
    • Views: 316
    August 29th, 2017, 01:23 Go to last post
  12. Find a product solution to the following PDE

    Started by Umar, July 22nd, 2017 11:41
    find, greatly, pde, product, solution
    • Replies: 6
    • Views: 338
    July 23rd, 2017, 10:08 Go to last post
  13. [SOLVED] Identify the equilibrium values

    Started by karush, June 19th, 2017 02:14
    equilibrium, identify, sketch, solution, values
    • Replies: 2
    • Views: 247
    June 22nd, 2017, 20:27 Go to last post
  14. Elimination of Arbitrary Constant

    Started by kayella19, June 21st, 2017 12:01
    8a, solve, x+4a
    • Replies: 6
    • Views: 308
    June 21st, 2017, 19:05 Go to last post
  15. Method of separation of variables

    Started by evinda, May 9th, 2017 15:49
    equations, method, pde, solution, xx+
    • Replies: 3
    • Views: 323
    June 14th, 2017, 08:31 Go to last post
  16. [SOLVED] 17.2.05 Solve the given equation by the method of undetermined coefficients.

    Started by karush, June 7th, 2017 21:17
    2 Pages
    1 2
    campus, equation, method, solve, undetermined
    • Replies: 16
    • Views: 569
    June 10th, 2017, 19:07 Go to last post
  17. Find sets

    Started by evinda, May 26th, 2017 10:47
    $gx=-g-x$, find, geq, mathbbr, sets
    • Replies: 2
    • Views: 317
    May 29th, 2017, 14:07 Go to last post
  18. [SOLVED] 242.17.8 Solve the given equation by variation of parameters.

    Started by karush, May 20th, 2017 17:45
    $textitnow, 242.17.8, equation, equation$, variation
    • Replies: 4
    • Views: 389
    May 23rd, 2017, 19:05 Go to last post
  19. Is the solution unique?

    Started by evinda, May 9th, 2017 19:18
    form, sinfracn, solution, tt$, xl$
    • Replies: 2
    • Views: 261
    May 11th, 2017, 15:39 Go to last post
  20. [SOLVED] The auxiliary would equation be

    Started by karush, May 6th, 2017 01:47
    2 Pages
    1 2
    %0&implies, auxiliary, equation, r^2+9&=0, y+9y&=5cos5x
    • Replies: 15
    • Views: 656
    May 9th, 2017, 16:35 Go to last post
  21. Determine the space

    Started by evinda, May 6th, 2017 18:13
    $mathbbr^2$, determine, solution, space, text
    • Replies: 9
    • Views: 352
    May 7th, 2017, 07:50 Go to last post
  22. How to use Fourier Series

    Started by evinda, April 30th, 2017 12:44
    3 Pages
    1 2 3
    cosfracm, fourier, initial, problem, series
    • Replies: 28
    • Views: 991
    May 3rd, 2017, 11:01 Go to last post
  23. Odd and even extension

    Started by evinda, May 1st, 2017 08:23
    • Replies: 4
    • Views: 315
    May 1st, 2017, 16:32 Go to last post
  24. [SOLVED] 17.2.10 y_p is a particular solution

    Started by karush, April 21st, 2017 17:01
    $y0=0$, $y=$, equation, frac34x$, solution
    • Replies: 7
    • Views: 343
    April 22nd, 2017, 16:22 Go to last post
  25. Limit of the solution - Which is the conclusion?

    Started by mathmari, April 2nd, 2017 11:52
    $y$, conclude, m_2$, rightarrow, solution
    • Replies: 5
    • Views: 447
    April 2nd, 2017, 15:04 Go to last post

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Top 148 Thread Starters For "Differential Equations"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1dwsmith12.690What is meant by find the time...
2evinda9.064Find sets
3mathmari8.661Limit of the solution - Which ...
4find_the_fun5.942finding interval where second ...
5shamieh3.827Use series methods to solve [2...
6Markov3.525First order PDE
7karush2.921t1.13 solve the initial value ...
7ineedhelpnow2.921Critical Points, Stability
8onie mti2.719solving a cauchy problem
8ognik2.719Another Frobenius method ODE
9alane19942.417Population Dynamics... again
9kalish2.417Solving a system of an arbitra...
10nacho2.014Chebyshev Expansion (I need he...
11grandy1.813Boundary integral method to so...
12simo1.712looking at a solitary initial ...
13bergausstein1.511Elimination of constants
14Poirot1.39Fourier transform
15Julio1.18Laplace equation and Median Va...
16Alexmahone0.86Infinitely many solutions
16Cbarker10.86Bernoulli Equation Checking th...
17shorty0.75Damped Free Forced Vibration
17Cadbury0.75Solution of the equation
17brunette150.75Parametric representation of a...
18Fantini0.64Stable and unstable manifolds ...
18oasi0.64solving ODE with series
18ssh0.64Hypergeometric equation
18suvadip0.64differential eq of first order...
18LLand3140.64Need help setting up Different...
18nathancurtis110.64Finding a value for a y(0) = ...
18stripedcat0.64Bernoulli to Linear First Orde...
19Chris L T5210.43Status of DE Tutorial
19Alan0.43Problem 13 from section 16.1 o...
19rsoy0.43Show whether the given ODE is ...
19ZiniaDuttaGupta0.43Stability, phase portrait, bif...
19Vishak0.43Second order inhomogeneous dif...
19Guest0.43System of differential equatio...
19frank12340.43Help on a 2nd Order Linear Dif...
19dansingh0.43reduction of linear or non lin...
19arrow270.43Fourier Transform
19DrWahoo0.43General DE questions and help
20Ackbach0.32Bessel Functions Cheat Sheet
20bkarpuz0.32Solution of the PDE?
20ifeg0.32what is the difference between...
20MacLaddy0.32Inflection Point of the Thresh...
20Sudharaka0.32Solving a Riccati Differential...
20Jason0.32ODE system. Limit cycle; Hopf ...
20madflame9910.32System of DEs
20Chipset36000.32ODE PVI problem.
20Amer0.32How to solve this Differential...
20Hurry0.32D'Lambert problem
20crevoise0.32Bernoulli / Riccati Equation
20topsquark0.32Simple pendulum, ref: POTW 156
20skatenerd0.32derivative of bessel function ...
20hatguy0.32Solving Nonlinear ODEs I
20wmccunes0.32Integrating factor, initial va...
20Carla19850.32Method of Characteristics
20paulmdrdo0.32Differential Equation of Unkno...
20Kris0.32Help rearranging a linear firs...
20LATEBLOOMER0.32Differential equation populati...
20shen070.32PDE Solving Continuity Equatio...
20dearcomp0.32D.E with Physics Included
20Pranav0.32Solving a first-order differen...
20LAK0.32Separation of Variables
20cheatmenot0.32Obtaining Differential Equatio...
20rayne0.32general solution to 2nd order....
20Nikolas70.32Differential equation y/(x^2+y...
20jmorgan0.32Superposition
20markosheehan0.32differentiation equation: equa...
20jahrens0.32Help with another separable eq...
20kayella190.32Any one who can solve this?
21Ulysses0.11Partial differential equation
21Kane0.11need help with transforming on...
21issacnewton0.11vanishing wronskian for linear...
21battleman130.11A few small questions about di...
21GreenGoblin0.11Cannot isolate y (first order ...
21MarkFL0.11Using the annihilator method t...
21nonsequitter0.11Dirichlet Problem for Laplace'...
21I like Serena0.11Interesting ODE
21charlottewill0.11Volterra-Lotka system.
21caffeinemachine0.11Book Recommendation for Ordina...
21blackthunder0.11first order pde
21themurgesh0.11Integrating Factor Question
21weber0.11Series Solution of a DE
21Usagi0.11Frobenius Method Queries
21rishadjb0.11Linear ODE for a fundamental s...
21azuralshadow0.11Understanding partial solution...
21thecoop0.11Finding Critical Points of a D...
21superbread880.11Question on 1D heat equation
21U4770.11Air resistance equation
21Petrus0.11First order linear differentia...
21heaviside0.11Assistance needed for this ODE...
21ryo00710.11Nonlinear PDE
21Jerome0.11Hankel and mellin transform
21ipaper0.11A property of solution of ODE ...
21krish0.11Solving an IVP for a system of...
21ends0.11Mixing Problem?
21nuggz6190.11First Order Differential Equat...
21Bibbster0.11Second order differential help...
21shocks900.11Integrating with trigo....ODE
21emily6000.11Partial DE-separation of varia...
21ISITIEIW0.11Verify a function is a solutio...
21goku9000.11Phase Line and long term behav...
21talha0.11non-linear first order differe...
21ChemEng0.112nd order ODE (Control Systems...
21tylerbizoff0.11Heat equation with annoying so...
21zkee0.11Homogeneous Functions
21mikky05v0.11Torrcelli's law of fluids
21CWolf0.11Singular Points
21Schmidt0.11Displacement of mass spring sy...
21Aryth0.11Finding Integral Curves
21mathgirl0.11Find all solutions (integral s...
21Pascal0.11Coupled ODEs
21jakejakejake0.11Laplace Transform, Finding sol...
21Naincy0.11First order linear ODE
21danthatdude0.11Second Order Linear ODE
21Milly0.11Integration of separate variab...
21PullandTwist0.11HELP: Orthogonal Trajectories
21PeterH0.11Modelling the motion of a mete...
21Rezalt0.11Help with motions of a double ...
21marrvo0.11Find equation system for bound...
21KD17290.11Identifying the Degree of a Di...
21xichyu10.11How can the six unknown number...
21superduck13850.11Partially Decoupled System
21Ciaran0.11Changing variables DE
21kJS0.11Inverse Laplace Transform 2
21notagenuis0.11Newton's Cooling Law
21ozkan120.11What does priori estimate do i...
21tiaborrego0.11Integrating Factor
21hornekat0.11Please help me solve this diff...
21NotaMathPerson0.11Exact ODE?
21Krish230.11Put the 2D nonlinear system in...
21Joppy0.11Solutions to Bessel's equation...
21Derby0.11Damped spring differental equa...
21WelshDave0.11Turning 2nd order into 1st ord...
21Sophie0.11Laplace transform help
21metstandard160.11Non-linear 2nd Order ODE
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21mahmoud shaaban0.11Linear differential equation
21rozin0.11Differential equation
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21wheepep0.11Differential equation
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21Raisa0.11Self-similarity of nonlinear P...
21meenums340.11Asymptotic
21Roger0.11Bounded Solution For Different...
21ertagon20.11Inverse and differentation of ...
21Emjay0.11Differential equation w/ cos a...
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