From: Conrad Schneiker Date: 2001-01-17T06:32:55+09:00 Subject: [ruby-talk:9394] Re: Do Vector and Matrix Classes Exist for Ruby? Jim Freeze wrote ... (see subject line). I haven't used this, but in the RAA, there is this entry: (http://www.ruby-lang.org/en/raa-list.rhtml?name=NArray) # NArray is a class of Numerical N-dimensional Array, providing fast and # efficient computing of the large data arrays. Element types: Integer, # Float, Complex and Ruby Object. Methods: array manipulation, # arithmetic operators and mathematical functions (including FFTW and LU # factorization). Conrad Schneiker (This note is unofficial and subject to improvement without notice.)