infers the instantaneous sedimentation rate from adm objects
sed_rate_t(x, t, mode = "rcll")for adm objects, a vector giving sed. accumulation rates at time t. For multiadm objects, a list with accumulation rates
adm or multiadm object
vector of times at which sedimentation rates are determined
string, "rcll" or "lcrl". at non-differential points, is the sed rate left or right continuous?