This is the gauss elimination method by partial pivoting.

For gauss elimination by upper triangular matrix check this out
   • Gauss elimination method | Gauss Elim...  

Matrix inversion method in Hindi:
   • Matrix Inversion Method || Matrix Inv...  

Runge kutta 4th order method:
   • Runge kutta method of 4th order || Ru...  
OR,
You can access to all the video based on Numerical Method here is the playlist:
Numerical method:    • Numerical method  

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Gauss Jordan Method:
   • Gauss jordan method  

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