Timeline for DSolve Produces Invalid Solution of Fourth Order ODE
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 23 at 8:59 | comment | added | mikado | It is possible that Mathematica has given you a solution that is valid somewhere in the complex plane, but not in the region of interest to you. Since your equation is linear, you could solve it for specific starting values (e.g. `f[0]==1&&f'[0]==0...') and sum the results. When I try this I get a message "For some branches of the general solution, the given boundary conditions lead to an empty solution". | |
| Feb 22 at 3:05 | vote | accept | Klein Four | ||
| Feb 21 at 19:22 | comment | added | Klein Four | No. This is one small part of a much larger problem I'm solving, so I want the general solution. | |
| Feb 21 at 8:36 | comment | added | Ulrich Neumann | Are there any boundary conditions which should be considered? | |
| Feb 21 at 3:04 | history | became hot network question | |||
| Feb 21 at 2:08 | answer | added | Nasser | timeline score: 6 | |
| Feb 20 at 19:01 | comment | added | Dunlop | Welcome to Mathematica.SE! I suggest that: 1) You take the introductory Tour now! 2) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign! 3) As you receive help, try to give it too, by answering questions in your area of expertise. | |
| S Feb 20 at 19:00 | review | First questions | |||
| Feb 20 at 19:22 | |||||
| S Feb 20 at 19:00 | history | asked | Klein Four | CC BY-SA 4.0 |