THROUGHOUT this note, the following notations are used: For a matrix A, A>0 means thatA is positive definite symmetric; R (A), A′and A- stand for the column space, transposeand any g-inverse of A resp...
Ⅰ. INTRODUCTION As one of the fundamental problems in ion microprobe mass analysis the origin and mass characteristics of the interfering ion species due to dynamic contamination have long received attention but stil...