my mcpi matricese, although seemingly different, check out on paper to be the same as what Robyn is using. And one of my simplest toy problems works very well, so I think the problems i have been seeing is due to some kind of housekeeping issue and not an issue with my mcpi math.
my mcpi matricese, although seemingly different, check out on paper to be the same as what Robyn is using. And one of my simplest toy problems works very well, so I think the problems i have been seeing is due to some kind of housekeeping issue and not an issue with my mcpi math.

lasr/orbital_mechanics