式9: "g" Subscript, "r" , Baseline left parenthesis, "x" , right parenthesis equals negative "g" left parenthesis, negative "x" , right parenthesis "H" left parenthesis, negative "x" , right parenthesisgrx=−g−xH−x
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式10: "h" Subscript, "l" , Baseline left parenthesis, "x" , right parenthesis equals "h" left parenthesis, "x" , right parenthesis "H" left parenthesis, "x" , right parenthesishlx=hxHx
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式11: "h" Subscript, "r" , Baseline left parenthesis, "x" , right parenthesis equals negative "h" left parenthesis, negative "x" , right parenthesis "H" left parenthesis, negative "x" , right parenthesishrx=−h−xH−x
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式12: "u" Subscript, "l" , Baseline left parenthesis, "x" , "t" , right parenthesis equals 1 half left parenthesis, "g" Subscript, "l" , Baseline left parenthesis, "x" plus "t" , right parenthesis plus "g" Subscript, "l" , Baseline left parenthesis, "x" minus "t" , right parenthesis , right parenthesis plus 1 half Start integral from "x" minus "t" to "x" plus "t" , end integral, "h" Subscript, "l" , Baseline left parenthesis, "y" , right parenthesis "d" "y"ulx,t=12glx+t+glx−t+12∫x+tx−thlydy
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式13: "u" Subscript, "r" , Baseline left parenthesis, "x" , "t" , right parenthesis equals 1 half left parenthesis, "g" Subscript, "r" , Baseline left parenthesis, "x" plus "t" , right parenthesis plus "g" Subscript, "r" , Baseline left parenthesis, "x" minus "t" , right parenthesis , right parenthesis plus 1 half Start integral from "x" minus "t" to "x" plus "t" , end integral, "h" Subscript, "r" , Baseline left parenthesis, "y" , right parenthesis "d" "y"urx,t=12grx+t+grx−t+12∫x+tx−thrydy
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式14: "y" equals "u" Subscript, "l" , Baseline left parenthesis, "x" , "T" , right parenthesisy=ulx,T
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式15: "y" equals "u" Subscript, "r" , Baseline left parenthesis, "x" , "T" , right parenthesisy=urx,T
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式16: "y" equals "u" Subscript, "l" , Baseline left parenthesis, "x" , "T" , right parenthesis plus "u" Subscript, "r" , Baseline left parenthesis, "x" , "T" , right parenthesisy=ulx,T+urx,T
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式17: "H" left parenthesis, "x" , right parenthesis equals 1 half left parenthesis, StartFraction, "x" Over StartAbsoluteValue, "x" , EndAbsoluteValue , EndFraction plus 1 , right parenthesisHx=12xx+1
