表达式9: "h" Subscript, 2 , Baseline left parenthesis, "x" , "k" , right parenthesis equals "g" left parenthesis, "S" left parenthesis, "k" times left parenthesis, mod left parenthesis, "x" , 2 pi , right parenthesis minus pi , right parenthesis , negative pi , pi , right parenthesis plus pi , right parenthesish2x,k=gSk·modx,2π−π,−π,π+π
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表达式10: "h" Subscript, 2 , Baseline left parenthesis, "x" , left bracket, 2 , 4 , 8 , 16 , right bracket , right parenthesish2x,2,4,8,16
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表达式11: "P" left parenthesis, "x" , right parenthesis equals "S" left parenthesis, 3 "x" squared minus 2 "x" cubed , 0 , 1 , right parenthesisPx=S3x2−2x3,0,1
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表达式12: "S" left parenthesis, "x" , "a" , "b" , right parenthesis equals left brace, "x" less than "a" : 0 , "x" greater than "b" : 1 , "x" , right braceSx,a,b=x<a:0,x>b:1,x
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表达式13: "A" left parenthesis, "x" , "k" , right parenthesis equals .5 plus .5 StartFraction, arctan left parenthesis, "k" sin left parenthesis, "x" , right parenthesis , right parenthesis Over arctan left parenthesis, "k" , right parenthesis , EndFractionAx,k=.5+.5arctanksinxarctank
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表达式14: "A" left parenthesis, "x" , left bracket, 1 , 2 , 4 , 8 , 16 , 32 , right bracket , right parenthesisAx,1,2,4,8,16,32
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表达式15: arc tangent left parenthesis, pi , right parenthesisarctanπ
