To answer "There's got to be an easier way to list the interim values of insert"
g/\.19 29 59 79 89 109 119 139 149 179 199 4 5 6 12 12 7 4 2 6 1 199 To see what \. does we can use < <\.i.5 ┌─────────┬───────┬─────┬───┬─┐ │0 1 2 3 4│1 2 3 4│2 3 4│3 4│4│ └─────────┴───────┴─────┴───┴─┘ \ is usefull too: +/\i.5 0 1 3 6 10 <\i.5 ┌─┬───┬─────┬───────┬─────────┐ │0│0 1│0 1 2│0 1 2 3│0 1 2 3 4│ └─┴───┴─────┴───────┴─────────┘ On Mon, Sep 18, 2017 at 4:48 PM, Skip Cave <s...@caveconsulting.com> wrote: > > Roger does g/ which puts g between each integer. Let's see what is going on > In the short case: > > 19 g 29 g 59 g 79 g 89 g 109 g 119 g 139 g 149 g 179 g 199 > > 4 > > Step-by-step... > > 179 g 199 > 1 > 149 g 1 > 6 > o o o > 19 g 5 > 4 > > So the secret is that Roger's scheme keeps the interim calculation values > small enough to avoid precision errors. > > (There's got to be an easier way to > list the interim values of insert). My scheme generated large interim > values which exceeded the precision limit. > > Skip> > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm