Description of fast matrix multiplication algorithm: ⟨12×12×18:1520⟩

Algorithm type

160 X^{4} Y^{6} Z^{6} + 48 X^{2} Y^{9} Z^{3} + 240 X^{2} Y^{6} Z^{6} + 48 X^{2} Y^{3} Z^{9} + 32 X^{4} Y^{6} Z^{3} + 32 X^{4} Y^{3} Z^{6} + 72 X Y^{9} Z^{3} + 72 X Y^{3} Z^{9} + 32 X^{6} Y^{3} Z^{3} + 64 X^{2} Y^{6} Z^{3} + 64 X^{2} Y^{3} Z^{6} + 176 X^{4} Y^{3} Z^{3} + 24 X Y^{6} Z^{3} + 24 X Y^{3} Z^{6} + 48 X^{3} Y^{3} Z^{3} + 312 X^{2} Y^{3} Z^{3} + 72 X Y^{3} Z^{3}

Algorithm definition

The algorithm ⟨12×12×18:1520⟩ is the (Kronecker) tensor product of ⟨3×3×6:40⟩ with ⟨4×4×3:38⟩.

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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