Description of fast matrix multiplication algorithm: ⟨4×15×15:596⟩

Algorithm type

16 X^{4} Y^{8} Z^{4} + 16 X^{4} Y^{7} Z^{4} + 17 X^{2} Y^{9} Z^{2} + 16 X^{2} Y^{8} Z^{2} + 18 X^{2} Y^{7} Z^{2} + 19 X Y^{9} Z + 25 X^{2} Y^{6} Z^{2} + 3 X Y^{8} Z + 20 X^{2} Y^{5} Z^{2} + 13 X Y^{7} Z + 28 X^{2} Y^{4} Z^{2} + 37 X Y^{6} Z + 47 X^{2} Y^{3} Z^{2} + 24 X Y^{5} Z + 45 X^{2} Y^{2} Z^{2} + 33 X Y^{4} Z + 2 X^{2} Y Z^{2} + 104 X Y^{3} Z + 57 X Y^{2} Z + 56 X Y Z

Algorithm definition

The algorithm ⟨4×15×15:596⟩ is taken from:

Andrew I. Perminov. FastMatrixMultiplication, GitHub, February 2026. [ GitHub repository ]

Algorithm description

These encodings are given in compressed text format using the maple computer algebra system. In each cases, the last line could be understood as a description of the encoding with respect to classical matrix multiplication algorithm. As these outputs are structured, one can construct easily a parser to its favorite format using the maple documentation without this software.

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