. pi mij(t) 1 jth component of (state in) mi(t) ??i(p) 1 distance from exemplar adv. pi to p E A ri(p) 1 mag. at p of RBF at adv. pi rij 1 ri(pi), intensity at jth adv. of ith RBF An adverb, p, is an Na-dimensional vector in adverb space, A, that characterizes in some way a particular motion trajectory, m.