# Differential Equations Forum

Differential Equations Help Forum

1. ### DE Tutorial - Part IV: Laplace Transforms

• Replies: 1
• Views: 9,284
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 24,405
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 6,173
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 9,040
Dec 27th 2008, 08:56 AM
1. ### Expansion of a functional

• Replies: 2
• Views: 435
Apr 24th 2015, 04:41 AM
2. ### Solving a Symbolic Initial Value Problem

• Replies: 2
• Views: 1,147
Apr 22nd 2015, 07:28 AM
3. ### First Integral of the Euler-Lagrange equation

• Replies: 2
• Views: 775
Apr 22nd 2015, 04:38 AM
4. ### Find a Particular Solution

• Replies: 7
• Views: 664
Apr 22nd 2015, 04:21 AM
5. ### Forming first order differential equations(MODELLING QUESTION)

• Replies: 6
• Views: 505
Apr 19th 2015, 01:47 PM
6. ### elliptic integral (lemniscate)

• Replies: 3
• Views: 504
Apr 12th 2015, 09:56 PM
7. ### Find the general solution by using an integrating factor:

• Replies: 2
• Views: 627
Apr 12th 2015, 04:20 PM
8. ### Trouble understanding method of variation of parameters

• Replies: 2
• Views: 533
Apr 11th 2015, 05:47 PM
9. ### Help solving linear 2nd order ode

• Replies: 2
• Views: 481
Apr 11th 2015, 03:12 PM
10. ### 2nd oder PDE, wave equation

• Replies: 1
• Views: 443
Apr 11th 2015, 02:53 PM
11. ### Complex Eigenvalue

• Replies: 0
• Views: 423
Apr 11th 2015, 01:55 PM
12. ### differential equation

• Replies: 1
• Views: 443
Apr 11th 2015, 12:25 PM
13. ### Finding solution to 2nd order using Laplace Transforms

• Replies: 5
• Views: 513
Apr 10th 2015, 08:47 AM
14. ### laplace transform

• Replies: 1
• Views: 467
Apr 10th 2015, 08:19 AM
15. ### Calculus of variations changing variables

• Replies: 4
• Views: 586
Apr 10th 2015, 12:40 AM
16. ### Second order PDE

• Replies: 2
• Views: 478
Apr 7th 2015, 10:42 PM
17. ### General solution

• Replies: 2
• Views: 493
Apr 6th 2015, 01:06 PM
18. ### Finite difference method nonlinear PDE Problem

• Replies: 0
• Views: 567
Apr 5th 2015, 11:00 PM
19. ### Help in partial differential equations

• Replies: 5
• Views: 610
Apr 3rd 2015, 03:09 PM
20. ### Nonlinear, infinite dimensional ODE

• Replies: 3
• Views: 427
Apr 1st 2015, 12:57 AM
21. ### Topology equivalence in dynamical system

• Replies: 0
• Views: 390
Mar 31st 2015, 05:58 AM
22. ### General Solution of Given Linear System

• Replies: 5
• Views: 494
Mar 31st 2015, 12:46 AM
23. ### Splving a differential equation

• Replies: 1
• Views: 415
Mar 28th 2015, 06:32 AM

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25. ### Derive the wave equation

• Replies: 0
• Views: 430
Mar 20th 2015, 01:18 PM
26. ### Help. How to determine the integration constants in this ode?

• Replies: 3
• Views: 608
Mar 16th 2015, 03:09 PM
27. ### Solving differential equation

• Replies: 0
• Views: 449
Mar 11th 2015, 07:24 AM

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### non negative integral solution for inequality

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