ear fit assumptions (Eckmann et al, 1986; Sato et al, 1987; Buzug et al, 1990), more detailed fits involving polynomial expressions in higher powers (Briggs, 1990; Brown et al, 1991; Bryant et al, 1991) and techniques such as “singular value decomposition” which decomposes the flow into orthogonal compone

AH P KAHLE,KENT HOUSE,NADINE BRIGGS,NANCY E SCHNALL,M ELLIOT SCHOLL,ADE