- 2021.08.26 Project initiated
- 2021.08.26 File permutohedral_lattice.py duplicated and numpified
- 2021.08.30 File permutohedral_lattice.py matrixed and numpified (array converted to matrix)
- 2021.08.30 File permutohedral_lattice_numpy.py created
- 2021.08.30 Method filter of file permutohedral_lattice_numpy.py revised