On Tue, Jul 31, 2012 at 5:52 PM, KC <kc1956@gmail.com> wrote:All I am getting is this:array ((1,5),(1,5)) [((1,5),1.0)]Maybe the behaviour of ghc was changed since the article was written.I think you've made a common mistake here. Array bounds are (lower in all dimensions, upper in all dimensions). So perhaps you intended to use the bounds ((1,1), (5,5)) in your code?I make this mistake frequently.-Jan-Willem Maessen