dly wrote: > On 2-Jul-06, at 11:29 AM, John Randall wrote: >> Functions like ? are not pure functions: they depend on some state > > How do you display and set the J equivalent of []RL Random Link? > These types of variables were called Shared Variables--does J have an > equivalent? >
In J504, this is done through 9!:0 and 9!:1. In J601, this is done through 9!:44 and 9!:45. The vocabulary page for ? has details. > What is happening here? > ?i.6 > 0.00766673 0 0 1 2 1 If y>0, ?y gives you an integer from i.y . If y=0, ?y gives you a real number in tbe interval [0,1) . Best wishes, John ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
