description:
seq2sp seq
seq2sp flattens sequences into superpositions
examples:
seq2sp (|a> + 2.2|b> . 3|c> . 0.2|d> + |x> . 7|y> + 9|z>)
|a> + 2.2|b> + 3|c> + 0.2|d> + |x> + 7|y> + 9|z>
see also:
sp2seq