Recent content by Johnbasko

  1. J

    Solving an Equation with the SSFM Method - John's Urgent Question

    Mute, thank you for the response. Ofcourse, I understand this cosmetic changed, and indeed, by this change the form is regular. But, I wonder if it's is allow, I mean if this changed might influence on the result of the SSFM method i will use in this equation ? or the result should be okay ...
  2. J

    Solving an Equation with the SSFM Method - John's Urgent Question

    hello all Im trying to solve the equation: i*dV/dt = d^2V/dz^2 + V*sqrt(1-V^2) I want to try by the split step Fourier method. My problem is that most of the code/solvers I saw that implement the SSFM method are when the evolution is in space not in time, meaning the first derivative is d/dz...
  3. J

    Help in Split step fourier method

    Hello all, I have short question at the end , but i wil gve short background. The subject is regarding the split step Fourier method (SSFM) adn i will be gratefull if someone who know the method can help. i have the set of 2 equations: Utt=Uzz-a*U+i*P-(P^2)*U Pt=-i*P-(P^2)*U...
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