Description of fast matrix multiplication algorithm: ⟨4×12×27:870⟩

Algorithm type

24X4Y8Z4+18X4Y4Z4+72X2Y8Z2+6X2Y6Z2+48XY8Z+108X2Y4Z2+12XY6Z+114X2Y2Z2+96XY4Z+12XY3Z+204XY2Z+156XYZ24X4Y8Z418X4Y4Z472X2Y8Z26X2Y6Z248XY8Z108X2Y4Z212XY6Z114X2Y2Z296XY4Z12XY3Z204XY2Z156XYZ24*X^4*Y^8*Z^4+18*X^4*Y^4*Z^4+72*X^2*Y^8*Z^2+6*X^2*Y^6*Z^2+48*X*Y^8*Z+108*X^2*Y^4*Z^2+12*X*Y^6*Z+114*X^2*Y^2*Z^2+96*X*Y^4*Z+12*X*Y^3*Z+204*X*Y^2*Z+156*X*Y*Z

Algorithm definition

The algorithm ⟨4×12×27:870⟩ is the (Kronecker) tensor product of ⟨2×4×9:58⟩ with ⟨2×3×3:15⟩.

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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