運算式 5: left parenthesis, "N" , "f" left parenthesis, "N" , right parenthesis , right parenthesisN,fN
5
運算式 6: "c" equals 4.2 2 5c=4.225
6
運算式 7: left parenthesis, "N" , "f" left parenthesis, "N" , right parenthesis , right parenthesisN,fN
7
運算式 8: "w" equals left brace, negative 5 less than "x" minus "c" less than 5 : cos left parenthesis, StartFraction, 2 Over 10 , EndFraction pi left parenthesis, "x" minus "c" , right parenthesis , right parenthesis times 0.5 plus 0.5 , 0 , right bracew=−5<x−c<5:cos210πx−c·0.5+0.5,0
8
運算式 9: "g" left parenthesis, "x" , right parenthesis equals "w" StartFraction, sin left parenthesis, 4 left parenthesis, "x" minus "c" , right parenthesis , right parenthesis Over 4 left parenthesis, "x" minus "c" , right parenthesis , EndFractiongx=wsin4x−c4x−c
9
運算式 10: left parenthesis, "N" , "g" left parenthesis, "N" , right parenthesis , right parenthesisN,gN