Expression 17: "b" equals max left parenthesis, 0.1 2 1 , 0.1 3 2 minus 0.0 0 0 0 2 "n" , right parenthesisb=max0.121,0.132−0.00002n
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Final compression curve
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Expression 19: "d" Subscript, "e" "s" "a" "t" , Baseline left parenthesis, "x" , right parenthesis equals "W" left parenthesis, "x" , right parenthesis times "B" left parenthesis, "x" , right parenthesisdesatx=Wx·Bx
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Implementation
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Expression 21: "f" left parenthesis, "x" , right parenthesis equals StartFraction, max left parenthesis, 0 , "x" , right parenthesis Over "x" plus "s" Subscript, 1 , Baseline , EndFraction times "m"fx=max0,xx+s1·m
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Expression 22: "d" left parenthesis, "x" , right parenthesis equals "f" Subscript, 4 , Baseline left parenthesis, left parenthesis, log left parenthesis, "x" , right parenthesis minus log left parenthesis, "f" left parenthesis, "x" , right parenthesis , right parenthesis , right parenthesis "F" , right parenthesisdx=f4logx−logfxF
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Expression 23: "W" left parenthesis, "x" , right parenthesis equals 1 minus left brace, "d" left parenthesis, "x" , right parenthesis less than left parenthesis, 1 minus "E" , right parenthesis : "d" left parenthesis, "x" , right parenthesis , left parenthesis, 1 minus "E" , right parenthesis plus "E" tanh left parenthesis, StartFraction, "d" left parenthesis, "x" , right parenthesis minus left parenthesis, 1 minus "E" , right parenthesis Over "E" , EndFraction , right parenthesis , right braceWx=1−dx<1−E:dx,1−E+Etanhdx−1−EE
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Expression 24: "B" left parenthesis, "x" , right parenthesis equals hyperbolic tangent left parenthesis, StartFraction, "x" Superscript, "a" , Baseline Over "b" , EndFraction , right parenthesis Superscript, StartFraction, 1 Over "c" , EndFraction , BaselineBx=tanhxab1c
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Expression 25: "C" left parenthesis, "x" , right parenthesis equals StartFraction, "x" Over left parenthesis, 1 plus "x" Superscript, "p" , Baseline , right parenthesis Superscript, left parenthesis, StartNestedFraction, 1 NestedOver "p" , EndNestedFraction , right parenthesis , Baseline , EndFraction left brace, "x" greater than or equal to 0 , right braceCx=x1+xp1px≥0
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Expression 26: "f" Subscript, 4 , Baseline left parenthesis, "x" , right parenthesis equals "l" times "C" left parenthesis, StartFraction, "x" Over "l" , EndFraction , right parenthesisf4x=l·Cxl
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Expression 27: "F" equals 1.2 2 plus log left parenthesis, StartFraction, "n" Over "n" Subscript, "r" , Baseline , EndFraction , right parenthesis 0.0 7F=1.22+lognnr0.07
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Expression 28: "m" equals StartFraction, "n" Over "n" Subscript, "r" , Baseline , EndFractionm=nnr
Expression 30: "n" Subscript, "r" , Baseline equals 100nr=100
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Expression 31: "r" Subscript, "h" "i" "t" , Baseline equals 128 plus 768 times left parenthesis, StartFraction, log left parenthesis, StartNestedFraction, "n" NestedOver "n" Subscript, "r" , Baseline , EndNestedFraction , right parenthesis Over log left parenthesis, StartNestedFraction, 10000 NestedOver 100 , EndNestedFraction , right parenthesis , EndFraction , right parenthesisrhit=128+768·lognnrlog10000100