karatsuba.pdf

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Karatsuba’s  Algorithm   6.006  Review  Session   Problem  Statement   ã  Given  two  n-­‐digit  long  integers  a  and  b  in  base   r,  find  a  ×  b.   ã  We’ve  always  assumed  this  is  a  constant  Dme   operaDon.   –  Makes  life  simpler.   –  Numbers  are  usually  relaDvely  small.   –  As  we’ll  see,  we  can  do  mulDplicaDon  relaDvely   fa

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