表达式4: "h" left parenthesis, "x" , right parenthesis equals min left parenthesis, max left parenthesis, 0.5 minus StartFraction, "b" left parenthesis, "x" , right parenthesis negative "a" left parenthesis, "x" , right parenthesis Over 2 "k" , EndFraction , 0 , right parenthesis , 1 , right parenthesishx=minmax0.5−bx−ax2k,0,1
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表达式5: "k" equals 0.3k=0.3
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表达式6: "f" left parenthesis, "x" , right parenthesis equals left parenthesis, 1 minus "h" left parenthesis, "x" , right parenthesis , right parenthesis "a" left parenthesis, "x" , right parenthesis positive "h" left parenthesis, "x" , right parenthesis "b" left parenthesis, "x" , right parenthesisfx=1−hxax+hxbx
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表达式7: "g" left parenthesis, "x" , right parenthesis equals "f" left parenthesis, "x" , right parenthesis negative "k" "h" left parenthesis, "x" , right parenthesis left parenthesis, 1 minus "h" left parenthesis, "x" , right parenthesis , right parenthesisgx=fx−khx1−hx
