http://www.lispworks.com/documentation/HyperSpec/Body/f_mk_a...
https://wiki.haskell.org/Numeric_Haskell:_A_Vector_Tutorial#...
http://www.lispworks.com/documentation/HyperSpec/Body/f_mk_a...
https://wiki.haskell.org/Numeric_Haskell:_A_Vector_Tutorial#...