Description of fast matrix multiplication algorithm: ⟨4×11×15:449⟩

Algorithm type

X4⁢Y6⁢Z4+5⁢X4⁢Y5⁢Z4+11⁢X4⁢Y4⁢Z4+16⁢X2⁢Y7⁢Z2+18⁢X2⁢Y6⁢Z2+32⁢X2⁢Y5⁢Z2+X2⁢Y3⁢Z4+16⁢X⁢Y7⁢Z+32⁢X2⁢Y4⁢Z2+20⁢X⁢Y6⁢Z+X⁢Y5⁢Z2+30⁢X2⁢Y3⁢Z2+34⁢X⁢Y5⁢Z+31⁢X2⁢Y2⁢Z2+20⁢X⁢Y4⁢Z+2⁢X⁢Y3⁢Z2+102⁢X⁢Y3⁢Z+2⁢X⁢Y2⁢Z2+47⁢X⁢Y2⁢Z+X⁢Y⁢Z2+27⁢X⁢Y⁢ZX4Y6Z45X4Y5Z411X4Y4Z416X2Y7Z218X2Y6Z232X2Y5Z2X2Y3Z416XY7Z32X2Y4Z220XY6ZXY5Z230X2Y3Z234XY5Z31X2Y2Z220XY4Z2XY3Z2102XY3Z2XY2Z247XY2ZXYZ227XYZX^4*Y^6*Z^4+5*X^4*Y^5*Z^4+11*X^4*Y^4*Z^4+16*X^2*Y^7*Z^2+18*X^2*Y^6*Z^2+32*X^2*Y^5*Z^2+X^2*Y^3*Z^4+16*X*Y^7*Z+32*X^2*Y^4*Z^2+20*X*Y^6*Z+X*Y^5*Z^2+30*X^2*Y^3*Z^2+34*X*Y^5*Z+31*X^2*Y^2*Z^2+20*X*Y^4*Z+2*X*Y^3*Z^2+102*X*Y^3*Z+2*X*Y^2*Z^2+47*X*Y^2*Z+X*Y*Z^2+27*X*Y*Z

Algorithm definition

The algorithm ⟨4×11×15:449⟩ 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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