Hamming weight - WikipediaThe Hamming weight is named after the American mathematician Richard Hamming, although he did not originate the notion.[5] The Hamming weight of binary numbers was already used in 1899 by James W. L. Glaisher to give a formula for the number of odd binomial coefficients in a single row of Pascal's triangle.[6] Irving S. Reed introduced a concept, equivalent to Hamming weight in the binary case, in
