# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 3,267
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 20,865
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 2,977
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 5,676
Dec 27th 2008, 08:56 AM
1. ### PDE trouble - I'm a little rusty

• Replies: 1
• Views: 824
Aug 8th 2010, 06:51 AM
2. ### [SOLVED] Understanding method of characteristics for first order equations

• Replies: 5
• Views: 771
Aug 4th 2010, 11:42 AM
3. ### Modified Green's Function

• Replies: 2
• Views: 1,058
Aug 3rd 2010, 04:52 PM
4. ### [SOLVED] Darn those Green's Functions

• Replies: 1
• Views: 548
Aug 3rd 2010, 04:19 PM
5. ### Electric impedance tomography, conductivities, change of variables

• Replies: 1
• Views: 458
Aug 3rd 2010, 02:27 AM
6. ### How to rearrange DE?

• Replies: 1
• Views: 440
Aug 3rd 2010, 12:14 AM
7. ### Transformation to integarl equations

• Replies: 2
• Views: 449
Aug 2nd 2010, 04:29 PM
8. ### Complex eigenvalues in linearized equilibria

• Replies: 0
• Views: 415
Aug 2nd 2010, 11:22 AM
9. ### Tricky question to set up the DE for... probably easy to solve

• Replies: 1
• Views: 697
Aug 2nd 2010, 09:35 AM
10. ### Green's Function

• Replies: 1
• Views: 630
Aug 2nd 2010, 08:51 AM
11. ### [SOLVED] 2nd order DE (non linear I think but homogeneous)

• Replies: 5
• Views: 664
Aug 2nd 2010, 02:55 AM
12. ### finding terms of a power series solution of an IVP

• Replies: 1
• Views: 824
Aug 1st 2010, 10:58 PM
13. ### Second order DE

• Replies: 4
• Views: 813
Aug 1st 2010, 04:27 PM
14. ### laplace transform

• Replies: 2
• Views: 525
Aug 1st 2010, 01:26 PM
15. ### First order diffrential equations.

• Replies: 2
• Views: 459
Jul 30th 2010, 11:07 PM
16. ### Differential equations/ separable

• Replies: 4
• Views: 532
Jul 29th 2010, 06:18 PM
17. ### linear fourth-order ODE y''''+2y'''+6y''+8y'+8y=0

• Replies: 1
• Views: 666
Jul 29th 2010, 08:18 AM
18. ### Decay of a Decay. Is the diff eqn correct

• Replies: 2
• Views: 586
Jul 29th 2010, 02:40 AM
19. ### Rankine Hugoniot Satisfy Weak Solution

• Replies: 8
• Views: 632
Jul 28th 2010, 01:22 PM
20. ### Diff. Equation

• Replies: 1
• Views: 554
Jul 28th 2010, 10:18 AM
21. ### Unconditionally stable scheme for solving first order system of PDEs

• Replies: 1
• Views: 456
Jul 28th 2010, 07:45 AM
22. ### [SOLVED] Implicit Differential Problem

• Replies: 7
• Views: 373
Jul 27th 2010, 10:10 AM
23. ### Proof of Gronwall's Inequality

• Replies: 3
• Views: 1,682
Jul 27th 2010, 09:01 AM
24. ### [SOLVED] Re-writing higher order spatial derivatives as lower order system

• Replies: 11
• Views: 870
Jul 27th 2010, 08:56 AM
25. ### Need help solving 2 different differential equations (partially solved, but stuck)

• Replies: 10
• Views: 1,295
Jul 26th 2010, 05:02 PM
26. ### Spring-Mass system (with damping force AND impressed force). Find Position fcn.

• Replies: 21
• Views: 2,885
Jul 26th 2010, 04:13 PM
27. ### Express f(t) in terms of unit step functions, then find the Laplace

• Replies: 5
• Views: 2,305
Jul 26th 2010, 11:04 AM

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### differential equation 101

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