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Jul 9, 2018 at 4:42 comment added Alex Trounev There is a difference between your equation and the equation (22). I made a change to the equation in my message, but the solution to the equation did not change qualitatively.
Jul 9, 2018 at 4:39 history edited Alex Trounev CC BY-SA 4.0
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Jul 8, 2018 at 16:19 comment added edinorog2196 Sure, look here damtp.cam.ac.uk/user/ngb23/publications/nls2.pdf. It's Eq.22, look at the plot below where's plotted u[r]^2
Jul 8, 2018 at 15:46 comment added Alex Trounev Can you name the article (paper) or give a link?
Jul 8, 2018 at 14:58 comment added edinorog2196 thanks for the effort but as you said the solution doesn't fit boundary condition at infinity which is the key problem . I know from a paper that the solution should approach to 1 to infinity by a few dumped oscillations within the interval $(0,12)$.
Jul 8, 2018 at 14:43 history answered Alex Trounev CC BY-SA 4.0