This is only used for smooth animation you can ignore this
对学生隐藏该文件夹。
5
表达式6: "s" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 0 : 0 , "f" greater than or equal to "x" greater than or equal to 0 : left parenthesis, StartFraction, "x" Over "f" , EndFraction , right parenthesis Superscript, "k" , Baseline "f" , "f" less than "x" less than or equal to 1 : 1 minus left parenthesis, StartFraction, StartAbsoluteValue, "x" minus 1 , EndAbsoluteValue Over 1 minus "f" , EndFraction , right parenthesis Superscript, "k" , Baseline left parenthesis, 1 minus "f" , right parenthesis , "x" greater than 1 : 1 , right bracesx=x<0:0,f≥x≥0:xfkf,f<x≤1:1−x−11−fk1−f,x>1:1
