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# Differential Equations Forum

Differential Equations Help Forum

1. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 24,525
Mar 15th 2010, 12:44 PM
2. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 9,174
Dec 27th 2008, 08:56 AM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 6,299
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part IV: Laplace Transforms

• Replies: 1
• Views: 9,399
Feb 8th 2011, 11:56 PM
1. ### Differential equations

• Replies: 56
• Views: 3,157
Dec 7th 2009, 03:56 AM
2. ### Linear , homogenous, separation and change of variables

• Replies: 52
• Views: 2,006
Oct 10th 2018, 10:13 PM
3. ### solve

• Replies: 38
• Views: 2,246
Oct 15th 2010, 09:18 AM
4. ### Help finding the general solution

• Replies: 35
• Views: 2,316
Sep 17th 2010, 08:16 AM
5. ### Modeling a Mass-Spring System

• Replies: 32
• Views: 2,514
Jun 1st 2011, 04:56 AM
6. ### Separable Equations Application

• Replies: 31
• Views: 11,491
Feb 19th 2011, 03:35 AM
7. ### few more basic differential equation questions ??

• Replies: 30
• Views: 3,018
Jul 12th 2016, 12:43 AM
8. ### second d.e

• Replies: 28
• Views: 4,632
Dec 29th 2008, 04:15 PM
9. ### [SOLVED] Laplace Transform Question`

• Replies: 27
• Views: 1,934
Sep 2nd 2010, 05:57 PM
10. ### Laplace transform with heaviside step function

• Replies: 27
• Views: 3,958
Jul 14th 2012, 12:46 AM

• Replies: 26
• Views: 2,387
Nov 1st 2013, 10:59 AM
12. ### [SOLVED] Fourier Transform of x^2*sin(x)

• Replies: 25
• Views: 1,887
Jul 22nd 2010, 03:42 PM

• Replies: 25
• Views: 2,203
Mar 25th 2011, 08:56 PM
14. ### PDE by Laplace

• Replies: 24
• Views: 1,858
Sep 2nd 2010, 03:35 PM
15. ### [SOLVED] Eigenvalue problem

• Replies: 24
• Views: 2,230
Feb 27th 2011, 07:01 AM
16. ### [SOLVED] how to solve this

• Replies: 23
• Views: 1,719
Nov 1st 2010, 09:51 AM
17. ### exponential growth

• Replies: 23
• Views: 1,997
Nov 12th 2012, 02:26 AM
18. ### Solve differential equation using "Power Series"

• Replies: 22
• Views: 4,283
Jul 25th 2010, 07:47 AM
19. ### [SOLVED] Another Charpit PDE

• Replies: 22
• Views: 2,206
Feb 25th 2011, 03:57 PM
20. ### Spring-Mass system (with damping force AND impressed force). Find Position fcn.

• Replies: 21
• Views: 4,027
Jul 26th 2010, 04:13 PM
21. ### System of first order ODE

• Replies: 21
• Views: 1,895
Nov 29th 2010, 06:02 AM
22. ### [SOLVED] Laplace Transform Involving Initial Value Problem

• Replies: 21
• Views: 1,979
Nov 28th 2010, 10:26 AM
23. ### [SOLVED] Solve Linear PDE via a change of variables

• Replies: 21
• Views: 2,059
Feb 15th 2011, 03:50 PM
24. ### [SOLVED] Differentiation

• Replies: 20
• Views: 1,868
Jan 25th 2009, 04:24 PM
25. ### Equilibrium stable or unstable - differential euqation

• Replies: 20
• Views: 3,049
Jul 23rd 2010, 08:34 AM

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### non negative integral solution for inequality

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