Timeline for Avoiding/skipping singularity error in ParametricNDSolve
Current License: CC BY-SA 4.0
11 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 3, 2021 at 13:21 | comment | added | j.foobles | Let us continue this discussion in chat. | |
| May 3, 2021 at 13:06 | comment | added | j.foobles | here is the same file with the streamplot - looks similar, but slightly different: 1drv.ms/u/s!Ak_7kWMZ0x15hJpvJB37Nljs_saQPw?e=eqRpWi | |
| May 3, 2021 at 12:57 | comment | added | Ulrich Neumann | @j.foobles You evaluate the same streamplot as in my answer? | |
| May 3, 2021 at 12:53 | comment | added | j.foobles | Hi @Ulrich Neumann, I am a bit confused - perhaps some of the code copied across incorrectly from Mathematica. Nevertheless I am convinced that the denominator function has some zeroes, so I've attached a .nb file here: 1drv.ms/u/s!Ak_7kWMZ0x15hJpuG74r3VEUFQIkTQ?e=dbay6L | |
| May 3, 2021 at 12:39 | comment | added | Ulrich Neumann | @j.foobles If I plot B[0,t,5,1,1/2] in the range -2<t<2 I see a function without zeros! | |
| May 3, 2021 at 12:33 | comment | added | Ulrich Neumann | @j.foobles You might plot your "trajectories" together with the stream plot, fits quite well! | |
| May 3, 2021 at 11:41 | comment | added | j.foobles | Hi Ulrich, doesn't StreamPlot just plot the velocity field rather than the trajectory x(t) parametrically? Also, it's a bit hard to tell whether the field shown above has singularities, but I have included a graph showing that the denominator of V(x,t) is definitely zero at points. Ideally I'd like to solve the ODE while dealing with the singular points. | |
| May 3, 2021 at 9:08 | history | edited | Ulrich Neumann | CC BY-SA 4.0 | added 38 characters in body |
| May 3, 2021 at 8:42 | history | edited | Ulrich Neumann | CC BY-SA 4.0 | deleted 4 characters in body |
| May 3, 2021 at 8:28 | history | edited | Ulrich Neumann | CC BY-SA 4.0 | edited body |
| May 3, 2021 at 8:22 | history | answered | Ulrich Neumann | CC BY-SA 4.0 |