Description of fast matrix multiplication algorithm: ⟨4×15×18:705⟩

Algorithm type

6X4Y8Z4+33X4Y4Z4+24X2Y8Z2+24X2Y6Z2+24XY8Z+90X2Y4Z2+48XY6Z+120X2Y2Z2+48XY4Z+48XY3Z+132XY2Z+108XYZ6X4Y8Z433X4Y4Z424X2Y8Z224X2Y6Z224XY8Z90X2Y4Z248XY6Z120X2Y2Z248XY4Z48XY3Z132XY2Z108XYZ6*X^4*Y^8*Z^4+33*X^4*Y^4*Z^4+24*X^2*Y^8*Z^2+24*X^2*Y^6*Z^2+24*X*Y^8*Z+90*X^2*Y^4*Z^2+48*X*Y^6*Z+120*X^2*Y^2*Z^2+48*X*Y^4*Z+48*X*Y^3*Z+132*X*Y^2*Z+108*X*Y*Z

Algorithm definition

The algorithm ⟨4×15×18:705⟩ is the (Kronecker) tensor product of ⟨2×3×3:15⟩ with ⟨2×5×6:47⟩.

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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