"z" Subscript, "o" , Baseline left parenthesis, "v" Subscript, "l" "b" , Baseline , right parenthesiszovlb
"z" Subscript, "o" , Baseline left parenthesis, "v" Subscript, "u" "b" , Baseline , right parenthesiszovub
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表达式21:
21
表达式22: # "F" "o" "r" "w" "a" "r" "d" minus "F" "a" "c" "i" "n" "g" "n" "e" "u" "r" "o" "n" "s" left parenthesis, "n" Subscript, "a" , Baseline , "n" Subscript, "b" , Baseline , right parenthesis#Forward−Facingneuronsna,nb
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表达式23: "n" Subscript, "a" , Baseline left parenthesis, "x" , right parenthesis equals max left parenthesis, 0 , "w" Subscript, "a" , Baseline times "x" plus "b" Subscript, "a" , Baseline , right parenthesisnax=max0,wa·x+ba
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表达式24: "b" Subscript, "a" , Baseline equals negative left parenthesis, "p" Subscript, "s" "p" "l" "i" "t" "p" "o" "i" "n" "t" , Baseline minus "b" Subscript, "o" , Baseline , right parenthesis times alphaba=−psplitpoint−bo·α
equals=
negative 0.2 8 4 7 1 5−0.284715
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表达式25: "w" Subscript, "a" , Baseline equals "w" Subscript, "o" , Baseline times alphawa=wo·α
equals=
0.1 3 6 80.1368
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表达式26: "n" Subscript, "b" , Baseline left parenthesis, "x" , right parenthesis equals max left parenthesis, 0 , "w" Subscript, "b" , Baseline times "x" plus "b" Subscript, "b" , Baseline , right parenthesisnbx=max0,wb·x+bb
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表达式27: "b" Subscript, "b" , Baseline equals negative left parenthesis, "p" Subscript, "s" "p" "l" "i" "t" "p" "o" "i" "n" "t" , Baseline minus "b" Subscript, "o" , Baseline , right parenthesis times betabb=−psplitpoint−bo·β
表达式32: "z" Subscript, "m" , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over alpha , EndFraction times "n" Subscript, "a" , Baseline left parenthesis, "x" , right parenthesis plus StartFraction, 1 Over beta , EndFraction times "n" Subscript, "b" , Baseline left parenthesis, "x" , right parenthesis plus "b" Subscript, "m" , Baselinezmx=1α·nax+1β·nbx+bm