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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: 1,288
    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: 1,135
    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: 2,297
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

    • Replies: 1
    • Views: 79
    February 18th, 2018, 14:51 Go to last post
  2. Peak in single ODE within a system

    Started by Carla1985, January 25th, 2018 12:00
    alpha, beta, k_+, peak, system
    • Replies: 5
    • Views: 271
    January 25th, 2018, 17:09 Go to last post
  3. Differential equation w/ cos and sin

    Started by Emjay, November 16th, 2017 06:39
    begin, cos, differential, x^2, y=yx
    • Replies: 3
    • Views: 212
    December 22nd, 2017, 13:15 Go to last post
  4. Discrete dynamical systems - Invertible maps

    Started by Joppy, December 11th, 2017 19:55
    fphi_n, invertible, map, phi_n, theta
    • Replies: 8
    • Views: 252
    December 14th, 2017, 19:37 Go to last post
  5. General DE questions and help

    Started by DrWahoo, December 6th, 2017 14:37
    • Replies: 2
    • Views: 143
    December 11th, 2017, 04:02 Go to last post
  6. Inverse and differentation of an equation

    Started by ertagon2, November 16th, 2017 13:31
    2 Pages
    1 2
    • Replies: 16
    • Views: 441
    November 25th, 2017, 08:54 Go to last post
  7. [SOLVED] t1.13 solve the initial value problem

    Started by karush, November 10th, 2017 00:17
    hope, hours, initial, inside, suggestions
    • Replies: 1
    • Views: 112
    November 10th, 2017, 00:56 Go to last post
  8. Bounded Solution For Differential Inequality

    Started by Roger, October 4th, 2017 04:32
    bounded, differential, inequality, positive, solution
    • Replies: 5
    • Views: 353
    November 7th, 2017, 22:51 Go to last post
  9. Time Scale Calculus

    Started by DrWahoo, November 7th, 2017 04:57
    dissertation, introducing, research, time, topic
    • Replies: 0
    • Views: 120
    November 7th, 2017, 04:57 Go to last post
  10. 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: 548
    November 7th, 2017, 04:50 Go to last post
  11. Problem 13 from section 16.1 of Taylor's PDE textbook.

    Started by Alan, November 3rd, 2017 13:40
    • Replies: 1
    • Views: 134
    November 3rd, 2017, 14:19 Go to last post
  12. Well-posedness of a complex PDE.

    Started by Alan, October 1st, 2017 05:56
    assistance, hope, question, reply, well-posedness
    • Replies: 5
    • Views: 318
    October 3rd, 2017, 14:26 Go to last post
  13. Solutions to Bessel's equation with Wolfram

    Started by Joppy, August 28th, 2017 06:20
    $nu$, bessels, equation, solutions, wolfram
    • Replies: 2
    • Views: 384
    August 29th, 2017, 01:23 Go to last post
  14. Find a product solution to the following PDE

    Started by Umar, July 22nd, 2017 11:41
    find, greatly, pde, product, solution
    • Replies: 6
    • Views: 406
    July 23rd, 2017, 10:08 Go to last post
  15. [SOLVED] Identify the equilibrium values

    Started by karush, June 19th, 2017 02:14
    equilibrium, identify, sketch, solution, values
    • Replies: 2
    • Views: 294
    June 22nd, 2017, 20:27 Go to last post
  16. Elimination of Arbitrary Constant

    Started by kayella19, June 21st, 2017 12:01
    8a, solve, x+4a
    • Replies: 6
    • Views: 363
    June 21st, 2017, 19:05 Go to last post
  17. Method of separation of variables

    Started by evinda, May 9th, 2017 15:49
    equations, method, pde, solution, xx+
    • Replies: 3
    • Views: 395
    June 14th, 2017, 08:31 Go to last post
  18. [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: 649
    June 10th, 2017, 19:07 Go to last post
  19. Find sets

    Started by evinda, May 26th, 2017 10:47
    $gx=-g-x$, find, geq, mathbbr, sets
    • Replies: 2
    • Views: 385
    May 29th, 2017, 14:07 Go to last post
  20. [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: 463
    May 23rd, 2017, 19:05 Go to last post
  21. Is the solution unique?

    Started by evinda, May 9th, 2017 19:18
    form, sinfracn, solution, tt$, xl$
    • Replies: 2
    • Views: 308
    May 11th, 2017, 15:39 Go to last post
  22. [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: 792
    May 9th, 2017, 16:35 Go to last post
  23. Determine the space

    Started by evinda, May 6th, 2017 18:13
    $mathbbr^2$, determine, solution, space, text
    • Replies: 9
    • Views: 427
    May 7th, 2017, 07:50 Go to last post
  24. 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: 1,202
    May 3rd, 2017, 11:01 Go to last post
  25. Odd and even extension

    Started by evinda, May 1st, 2017 08:23
    • Replies: 4
    • Views: 379
    May 1st, 2017, 16:32 Go to last post

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Top 149 Thread Starters For "Differential Equations"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1dwsmith12.690What is meant by find the time...
2evinda8.964Find sets
3mathmari8.561Limit 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...
19Carla19850.43Peak in single ODE within a sy...
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...
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...
20Joppy0.32Discrete dynamical systems - I...
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...
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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21wheepep0.11Differential equation
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21Roger0.11Bounded Solution For Different...
21ertagon20.11Inverse and differentation of ...
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21sumanraj0.11modeling the flow from a gate ...
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