"Jacob Moses" <firstname.lastname@example.org> wrote in message news:email@example.com... > Hello, > I am working on a project that, without going into unnecessary detail, > requires me to calculate the mean of each row in a 64,500x17 matrix. The > eventual aim is to populate a 17x1 vector for use in kmeans. My instructor > does not want me to use a for statement for efficiency reasons. I am > thinking of splitting the matrix into 17 64,500x1 vectors, but I am not > sure of how to do this, or if there's another, more efficient way. Any > help would be greatly appreciated.