表达式4: StartAbsoluteValue, "J" left parenthesis, 10 , "x" plus "i" "y" , right parenthesis , EndAbsoluteValue less than or equal to 4J10,x+iy≤4
4
Mandelbrot
5
表达式6: "M" left parenthesis, "n" , "z" , right parenthesis equals "M" left parenthesis, "n" minus 1 , "z" , right parenthesis squared minus "z"Mn,z=Mn−1,z2−z
6
表达式7: "M" left parenthesis, 0 , "z" , right parenthesis equals 0M0,z=0
7
表达式8: StartAbsoluteValue, "M" left parenthesis, 10 , "x" plus "i" "y" minus 2 , right parenthesis , EndAbsoluteValue less than or equal to 4M10,x+iy−2≤4
