Don Coppersmith, Jon Lee
Discrete Optimization
A new algorithm for computing Hadamard transforms is presented. If n is a power of four, then the new algorithm uses ⅞ n logn multiply/adds to compute a Hadamard transform of length n. © 1994 IEEE
Don Coppersmith, Jon Lee
Discrete Optimization
Ephraim Feig
International Journal of Imaging Systems and Technology
Don Coppersmith
Mathematics of Computation
Alok Aggarwal, Don Coppersmith, et al.
Information Processing Letters