Expression 2: "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, "x" , right parenthesis equals left brace, length left parenthesis, "x" , right parenthesis minus 2 greater than 0 : "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, left parenthesis, 1 minus "t" , right parenthesis "x" left bracket, 1...length left parenthesis, "x" , right parenthesis minus 1 , right bracket plus "t" "x" left bracket, 2... , right bracket , right parenthesis , left parenthesis, 1 minus "t" , right parenthesis "x" left bracket, 1 , right bracket plus "t" "x" left bracket, 2 , right bracket , right braceBezierx=lengthx−2>0:Bezier1−tx1...lengthx−1+tx2...,1−tx1+tx2
2
Expression 3: "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis , right parenthesisBezierx1,y1
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤