未命名圖檔 | Desmos

運算式 5: "R" Subscript, 2 , Baseline equals left parenthesis, 1 , 0 , 0 , right parenthesis

Bottom row of matrix

運算式 7: "R" Subscript, 3 , Baseline equals left parenthesis, 0 , 0 , 1 , right parenthesis

This function multiplies the input point with the matrix

運算式 9: "M" left parenthesis, "p" , right parenthesis equals left parenthesis, "R" Subscript, 1 , Baseline times "p" , "R" Subscript, 2 , Baseline times "p" , "R" Subscript, 3 , Baseline times "p" , right parenthesis

運算式 10: "P" Subscript, "T" , Baseline equals "M" left parenthesis, "P" , right parenthesis

equals

left parenthesis, 0 , 1 , 0 , right parenthesis

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