func generate(into, from quantity.Quantity, ns uint, seed int64) []float64 {
ni, _ := into.Dimensions()
nf, _ := from.Dimensions()
zi := make([]float64, ni*ns)
zf := support.Generate(nf, ns, seed)
for i := uint(0); i < ns; i++ {
copy(zi[i*ni:(i+1)*ni], into.Forward(from.Backward(zf[i*nf:(i+1)*nf])))
}
return zi
}
