"Steven_Lord" <email@example.com> wrote in message news:firstname.lastname@example.org... > > > "Bruno Luong" <email@example.com> wrote in message > news:firstname.lastname@example.org... >>>> 1: >> >> ans = >> >> Empty matrix: 1-by-0 >> >> Does this is documented? > > It doesn't appear to be; I'll ask the documentation staff to add it. I > believe the rule is that if any of the three arguments of the : operator > are empty, the result should be a 1-by-0 empty. > > -- > Steve Lord > email@example.com > To contact Technical Support use the Contact Us link on > http://www.mathworks.com
It may not be explicitly documented, but the : operator outputs a row vector, size 1xN. The empty row vector has size 1x0.