式9: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals 1.8−10xy·e−x2+y2=1.8
9
式10: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.2−10xy·e−x2+y2=−0.2
10
式11: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.4−10xy·e−x2+y2=−0.4
11
式12: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.6−10xy·e−x2+y2=−0.6
12
式13: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 0.8−10xy·e−x2+y2=−0.8
13
式14: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1−10xy·e−x2+y2=−1
14
式15: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.2−10xy·e−x2+y2=−1.2
15
式16: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.4−10xy·e−x2+y2=−1.4
16
式17: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.6−10xy·e−x2+y2=−1.6
17
式18: negative 10 "x" "y" times "e" Superscript, negative left parenthesis, "x" squared plus "y" squared , right parenthesis , Baseline equals negative 1.8−10xy·e−x2+y2=−1.8
