# Differential Equations Forum

Differential Equations Help Forum

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

• Replies: 1
• Views: 3,509
Feb 8th 2011, 11:56 PM
2. ### DE Tutorial - Part I: First Order Equations and Homogeneous Second Order Equations

• Replies: 5
• Views: 21,169
Mar 15th 2010, 12:44 PM
3. ### DE Tutorial - Part III: Systems of Differential Equations

• Replies: 2
• Views: 3,226
Aug 29th 2009, 09:03 PM
4. ### DE Tutorial - Part II: Nonhomogenous Second Order Equations and Their Applications

• Replies: 4
• Views: 6,012
Dec 27th 2008, 08:56 AM
1. ### write the differential....H1N1

• Replies: 5
• Views: 789
Jan 27th 2011, 06:43 PM
2. ### A Mixing Problem....

• Replies: 4
• Views: 775
Jan 27th 2011, 06:14 PM
3. ### verify that the pair of functions is a solution...

• Replies: 8
• Views: 720
Jan 27th 2011, 06:10 PM
4. ### linear equations...

• Replies: 3
• Views: 331
Jan 27th 2011, 05:32 PM
5. ### Differential Equation (Oscilation Problem)

• Replies: 2
• Views: 384
Jan 27th 2011, 10:02 AM
6. ### Integral Curves

• Replies: 3
• Views: 531
Jan 26th 2011, 12:10 PM
7. ### determine a region in the xy plane...

• Replies: 3
• Views: 1,259
Jan 25th 2011, 10:02 PM
8. ### Solution Of 4th order PDE Required.

• Replies: 0
• Views: 467
Jan 25th 2011, 09:51 PM
9. ### Interval trouble

• Replies: 5
• Views: 415
Jan 25th 2011, 05:32 PM
10. ### Problem with a differential equation (using Newton's Law of Cooling)

• Replies: 1
• Views: 863
Jan 25th 2011, 12:46 PM
11. ### Setting up a Linear ODE

• Replies: 1
• Views: 543
Jan 24th 2011, 03:59 PM
12. ### 1st Order Differential Equations: Checking

• Replies: 13
• Views: 610
Jan 24th 2011, 12:07 PM
13. ### A Linear Equation; IVP; Piecewise Defined Funciton

• Replies: 2
• Views: 535
Jan 24th 2011, 11:47 AM
14. ### Taylor Perturbation

• Replies: 0
• Views: 540
Jan 24th 2011, 05:13 AM
15. ### Problem with Integrating Factor

• Replies: 3
• Views: 673
Jan 24th 2011, 03:20 AM
16. ### Dynamical systems

• Replies: 1
• Views: 763
Jan 23rd 2011, 07:17 PM
17. ### Particular Solution - Calculus based question

• Replies: 4
• Views: 989
Jan 23rd 2011, 03:22 PM
18. ### Seperation of variables or fourier transform to solve a PDE?

• Replies: 3
• Views: 478
Jan 23rd 2011, 02:42 PM

• Replies: 0
• Views: 1,049
Jan 23rd 2011, 09:30 AM
20. ### Questions regarding solving an ODE

• Replies: 8
• Views: 711
Jan 22nd 2011, 04:46 PM
21. ### Setting up a Growth Problem (ODE, probably separable or linear)

• Replies: 3
• Views: 517
Jan 22nd 2011, 02:16 PM
22. ### [SOLVED] Linear second order, homogeneous, constant coefficients, unchanged by all rotations

• Replies: 1
• Views: 556
Jan 22nd 2011, 02:04 PM
23. ### Simple Separation of Variable Problem

• Replies: 1
• Views: 604
Jan 22nd 2011, 12:19 PM
24. ### Rotation by 45 degrees

• Replies: 3
• Views: 499
Jan 22nd 2011, 11:33 AM
25. ### Need help solving

• Replies: 0
• Views: 357
Jan 22nd 2011, 10:03 AM
26. ### where is my mitake here ,i shouldnt get 0

• Replies: 1
• Views: 516
Jan 21st 2011, 03:35 AM

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### orthogonal trajectories of exponential function

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