Ekspresi 4: "s" Subscript, 2 , Baseline equals "s" Subscript, 1 , Baseline plus "d" Subscript, "s" 0 , Baseline plus "d" Subscript, "s" 0 "v" "a" "r" , Baseline times 10 to the negative 6th powers2=s1+ds0+ds0var·10−6
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Ekspresi 5: "d" Subscript, "s" , Baseline left parenthesis, "x" , "y" , right parenthesis equals StartRoot, "x" squared plus "y" squared plus "s" squared , EndRoot minus StartRoot, "x" squared plus "y" squared plus "s" squared , EndRootdsx,y=x2+y2+s22−x2+y2+s21
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Ekspresi 6: "I" left parenthesis, "x" , "y" , right parenthesis equals 1 plus cosine left parenthesis, StartFraction, "d" Subscript, "s" , Baseline left parenthesis, "x" , "y" , right parenthesis 2 pi Over 650 times 10 to the negative 6th power , EndFraction , right parenthesisIx,y=1+cosdsx,y2π650·10−6