---Raul Miller wrote: > Sherlock, Ric wrote: > > My suspicion is that the expression old + loc * new-old will be more > > susceptible to "errors" due to floating point arithmetic than the > > other numeric method? > > Only if you need more than 15 significant digits to represent the > differences.
Thanks. For my application I think that it will be safer to keep the data intact. I'll stick with using amend for now. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
