表达式9: "F" left parenthesis, "x" , right parenthesis minus left parenthesis, 1.8 5 "x" positive .1 2 9 times left parenthesis, cos left parenthesis, "N" "x" , right parenthesis minus 1 , right parenthesis , right parenthesisFx−1.85x+.129·cosNx−1
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表达式10: "F" left parenthesis, "x" , right parenthesis minus left parenthesis, 1.4 0 "x" positive .0 5 7 times left parenthesis, cos left parenthesis, "N" "x" , right parenthesis minus 1 , right parenthesis , right parenthesisFx−1.40x+.057·cosNx−1
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表达式11: "F" left parenthesis, "x" , right parenthesis minus left parenthesis, 1.1 4 3 "x" positive .0 0 2 times left parenthesis, cos left parenthesis, "N" "x" , right parenthesis minus 1 , right parenthesis , right parenthesisFx−1.143x+.002·cosNx−1
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表达式12: "F" left parenthesis, "x" , right parenthesis minus "x"Fx−x
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Fitting S=.4, N=4
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表达式14: "F" left parenthesis, "x" , right parenthesis minus left parenthesis, 2.5 1 6 "x" positive .4 5 times left parenthesis, cos left parenthesis, "N" "x" , right parenthesis minus 1 , right parenthesis , right parenthesisFx−2.516x+.45·cosNx−1
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Automatic fitting
对学生隐藏该文件夹。
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表达式16: "X" equals StartFraction, 6.3 times left bracket, 0 , ...1 0 0 , right bracket Over 100 , EndFractionX=6.3·0,...100100
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表达式17: "F" left parenthesis, "X" , right parenthesis tilde "a" "X"FX~aX
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表达式18: "F" left parenthesis, "X" , right parenthesis tilde "a" "X" positive "b" left parenthesis, cos left parenthesis, "N" "X" , right parenthesis minus 1 , right parenthesisFX~aX+bcosNX−1
