Description of fast matrix multiplication algorithm: ⟨4×8×14:315⟩

Algorithm type

X4⁢Y8⁢Z4+X4⁢Y6⁢Z4+9⁢X4⁢Y4⁢Z4+4⁢X2⁢Y8⁢Z2+6⁢X2⁢Y6⁢Z2+8⁢X2⁢Y4⁢Z2+6⁢X2⁢Y3⁢Z2+76⁢X2⁢Y2⁢Z2+24⁢X⁢Y4⁢Z+36⁢X⁢Y3⁢Z+12⁢X⁢Y2⁢Z+132⁢X⁢Y⁢ZX4Y8Z4X4Y6Z49X4Y4Z44X2Y8Z26X2Y6Z28X2Y4Z26X2Y3Z276X2Y2Z224XY4Z36XY3Z12XY2Z132XYZX^4*Y^8*Z^4+X^4*Y^6*Z^4+9*X^4*Y^4*Z^4+4*X^2*Y^8*Z^2+6*X^2*Y^6*Z^2+8*X^2*Y^4*Z^2+6*X^2*Y^3*Z^2+76*X^2*Y^2*Z^2+24*X*Y^4*Z+36*X*Y^3*Z+12*X*Y^2*Z+132*X*Y*Z

Algorithm definition

The algorithm ⟨4×8×14:315⟩ is the (Kronecker) tensor product of ⟨2×2×2:7⟩ with ⟨2×4×7:45⟩.

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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