tnumberinst_abs tnumberseq_abs tnumberseq_angular_difference tnumberseq_delta_value tnumberseqset_abs tnumberseqset_angular_difference tnumberseqset_delta_value tsequence_derivative tsequenceset_derivative

tsequenceset_derivative() TSequenceSet * tsequenceset_derivative ( const TSequenceSet *  ss ) Return the derivative of a temporal sequence set. Parameters [in] ss Temporal sequence set @csqlfn Temporal_derivative()