Description of fast matrix multiplication algorithm: ⟨2×16×17:417⟩

Algorithm type

4⁢X⁢Y11⁢Z+6⁢X⁢Y10⁢Z+9⁢X⁢Y9⁢Z+9⁢X⁢Y8⁢Z+5⁢X⁢Y7⁢Z+X⁢Y6⁢Z+30⁢X2⁢Y3⁢Z2+2⁢X⁢Y5⁢Z+97⁢X2⁢Y2⁢Z2+3⁢X⁢Y4⁢Z+6⁢X⁢Y3⁢Z+47⁢X⁢Y2⁢Z+198⁢X⁢Y⁢Z4XY11Z6XY10Z9XY9Z9XY8Z5XY7ZXY6Z30X2Y3Z22XY5Z97X2Y2Z23XY4Z6XY3Z47XY2Z198XYZ4*X*Y^11*Z+6*X*Y^10*Z+9*X*Y^9*Z+9*X*Y^8*Z+5*X*Y^7*Z+X*Y^6*Z+30*X^2*Y^3*Z^2+2*X*Y^5*Z+97*X^2*Y^2*Z^2+3*X*Y^4*Z+6*X*Y^3*Z+47*X*Y^2*Z+198*X*Y*Z

Algorithm definition

The algorithm ⟨2×16×17:417⟩ is taken from:

John Edward Hopcroft and Leslie R. Kerr. On minimizing the number of multiplication necessary for matrix multiplication. SIAM Journal on Applied Mathematics, 20(1), January 1971. [DOI]

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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