question: get the abscissa of the vector . concode_field_sep Vector1D NEGATIVE_INFINITY concode_elem_sep long serialVersionUID concode_elem_sep Vector1D ZERO concode_elem_sep Vector1D POSITIVE_INFINITY concode_elem_sep double x concode_elem_sep Vector1D NaN concode_elem_sep Vector1D ONE concode_field_sep double getNorm1 concode_elem_sep Vector1D add concode_elem_sep Vector1D add concode_elem_sep double distance1 concode_elem_sep double distanceInf concode_elem_sep double distanceInf concode_elem_sep double distance concode_elem_sep double distance concode_elem_sep Vector1D subtract concode_elem_sep Vector1D subtract concode_elem_sep Vector1D scalarMultiply concode_elem_sep boolean isNaN concode_elem_sep double getNormSq concode_elem_sep double distanceSq concode_elem_sep double distanceSq concode_elem_sep double dotProduct concode_elem_sep double getNorm concode_elem_sep double getNormInf concode_elem_sep boolean isInfinite concode_elem_sep Space getSpace concode_elem_sep Vector1D getZero concode_elem_sep Vector1D negate concode_elem_sep int hashCode concode_elem_sep Vector1D normalize concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep String toString
target: double function ( ) { return x ; }