Solifem tutorial

Update README.md

solve_ivp implemented SAM

NE to gitignore

faraday_instability

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Update README.md

modified gitignore

New init methods + hard seed

Newton-raphson method fixed an error

Newton raphson fixed and tested with time simulation results

First implementation of the Newton-Raphson method for single ring configuration

Plot_map now can represent output spectrum in dBc

Update NDR.py, test.py, and test_hard_seed.py

Update Hard seed and NDR