Expression 6: "g" Subscript, 1 , Baseline left parenthesis, "x" , "y" , right parenthesis equals "A" sine left parenthesis, StartFraction, 2 pi Over "T" , EndFraction left parenthesis, "t" minus StartFraction, StartRoot, left parenthesis, "x" minus "l" , right parenthesis squared plus "y" squared , EndRoot Over "v" , EndFraction , right parenthesis , right parenthesisg1x,y=Asin2πTt−x−l2+y2v
6
Expression 7: "g" Subscript, 2 , Baseline left parenthesis, "x" , "y" , right parenthesis equals "A" sine left parenthesis, StartFraction, 2 pi Over "T" , EndFraction left parenthesis, "t" minus StartFraction, StartRoot, left parenthesis, "x" plus "l" , right parenthesis squared plus "y" squared , EndRoot Over "v" , EndFraction , right parenthesis , right parenthesisg2x,y=Asin2πTt−x+l2+y2v
7
Expression 8: "g" Subscript, 1 , Baseline left parenthesis, "x" , "y" , right parenthesis plus "g" Subscript, 2 , Baseline left parenthesis, "x" , "y" , right parenthesisg1x,y+g2x,y
