# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 3,534
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 21,224
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 3,269
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 6,044
Dec 27th 2008, 08:56 AM
1. ### Orthogonal trajectories

• Replies: 1
• Views: 610
Nov 2nd 2010, 09:09 AM
2. ### non-exact integrating factors vs homogeneous first order equations [example problem]

• Replies: 2
• Views: 4,520
Nov 2nd 2010, 06:04 AM
3. ### takens normal form

• Replies: 3
• Views: 607
Nov 2nd 2010, 05:32 AM
4. ### I'm really stuck with this 3rd order ODE

• Replies: 2
• Views: 579
Nov 2nd 2010, 03:06 AM
5. ### help me please to find equilibrium solution

• Replies: 1
• Views: 621
Nov 1st 2010, 10:05 AM
6. ### [SOLVED] how to solve this

• Replies: 23
• Views: 1,050
Nov 1st 2010, 09:51 AM
7. ### derivative of fundamental matrix

• Replies: 1
• Views: 879
Nov 1st 2010, 07:41 AM
8. ### What sort of DE is this?

• Replies: 6
• Views: 584
Nov 1st 2010, 02:24 AM
9. ### Laplace Transformation

• Replies: 1
• Views: 480
Oct 31st 2010, 10:46 PM
10. ### Help me with this DE problem please!

• Replies: 1
• Views: 428
Oct 31st 2010, 10:44 PM
11. ### 2nd order diff equation!

• Replies: 8
• Views: 775
Oct 30th 2010, 04:31 PM
12. ### Finding the General Solution of a 2nd Order Linear Ordinary Differential Equation

• Replies: 1
• Views: 631
Oct 30th 2010, 04:30 PM
13. ### Worded Differential equation

• Replies: 2
• Views: 826
Oct 30th 2010, 02:15 PM
14. ### Help with a basic equation

• Replies: 5
• Views: 440
Oct 30th 2010, 11:36 AM
15. ### nonhomogeneous neumann boundary conditions partial perp??

• Replies: 1
• Views: 730
Oct 30th 2010, 10:39 AM
16. ### Runge Kutta method - 2nd order numerically

• Replies: 1
• Views: 643
Oct 30th 2010, 12:19 AM
17. ### Linearising a set of nonlinear equations using finite-difference methods

• Replies: 0
• Views: 645
Oct 29th 2010, 08:12 AM
18. ### Substitution problem

• Replies: 1
• Views: 490
Oct 29th 2010, 02:12 AM
19. ### Laplace shifting problem

• Replies: 3
• Views: 716
Oct 28th 2010, 12:44 PM
20. ### Help on a differential equation

• Replies: 1
• Views: 354
Oct 28th 2010, 11:35 AM
21. ### Method of Images again

• Replies: 0
• Views: 405
Oct 27th 2010, 06:25 PM
22. ### Disguised Bernoulli.

• Replies: 5
• Views: 517
Oct 27th 2010, 01:14 PM
23. ### First-order linear ode

• Replies: 17
• Views: 1,164
Oct 27th 2010, 04:50 AM
24. ### Non-Homogenous Heat Equation

• Replies: 4
• Views: 487
Oct 27th 2010, 04:17 AM
25. ### first order PDE

• Replies: 1
• Views: 422
Oct 26th 2010, 05:09 PM
26. ### Heat equation with mixed boundary conditions

• Replies: 2
• Views: 1,329
Oct 26th 2010, 09:33 AM
27. ### Laplace transform DE with non-constant coefficients

• Replies: 3
• Views: 1,381
Oct 26th 2010, 08:27 AM
28. ### discretization of wave equation ("technical")

• Replies: 0
• Views: 531
Oct 26th 2010, 07:21 AM
29. ### homogeneous ODE requiring change of variables

• Replies: 1
• Views: 381
Oct 26th 2010, 04:29 AM

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### orthogonal trajectories of exponential function

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