Dan Bron wrote: > Given a number x and a list of digits y , where x is equivalent > to the digits y evaluated in base b , determine b . > Equivalently: given x and y where x =. b #. y , produce b . >
Dan: I like this as an application of your point. However, you still do not need the generality you are after, since you appear to be looking at positive digits. Under these circumstances the equation will have a unique root. If you take x=:2, y=:50 _14 1, there are two possible values of b, at 6 and 8. Best wishes, John ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
