Description of fast matrix multiplication algorithm: ⟨4×11×16:480⟩

Algorithm type

X4Y5Z4+18X4Y4Z4+X3Y5Z4+X4Y3Z4+3X2Y7Z2+4XY9Z+X3Y3Z4+24X2Y6Z2+8X2Y5Z2+12XY7Z+19X2Y4Z2+6XY6Z+XY5Z2+5X2Y3Z2+9XY5Z+103X2Y2Z2+24XY4Z+XY3Z2+2X2YZ2+77XY3Z+18XY2Z+142XYZX4Y5Z418X4Y4Z4X3Y5Z4X4Y3Z43X2Y7Z24XY9ZX3Y3Z424X2Y6Z28X2Y5Z212XY7Z19X2Y4Z26XY6ZXY5Z25X2Y3Z29XY5Z103X2Y2Z224XY4ZXY3Z22X2YZ277XY3Z18XY2Z142XYZX^4*Y^5*Z^4+18*X^4*Y^4*Z^4+X^3*Y^5*Z^4+X^4*Y^3*Z^4+3*X^2*Y^7*Z^2+4*X*Y^9*Z+X^3*Y^3*Z^4+24*X^2*Y^6*Z^2+8*X^2*Y^5*Z^2+12*X*Y^7*Z+19*X^2*Y^4*Z^2+6*X*Y^6*Z+X*Y^5*Z^2+5*X^2*Y^3*Z^2+9*X*Y^5*Z+103*X^2*Y^2*Z^2+24*X*Y^4*Z+X*Y^3*Z^2+2*X^2*Y*Z^2+77*X*Y^3*Z+18*X*Y^2*Z+142*X*Y*Z

Algorithm definition

The algorithm ⟨4×11×16:480⟩ 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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