ocr: 73 T2 T 1- a3 0 - U [fa f2 f . - - 13a2c 3ac2 a? 2ac a 0 - 0 0 c3 c2 C 1J Plugging this into Equation 1 we can: see that 73 T2 Tic- a 0 - - : a - . - [fofa 3ac2 2ac a - f - 3a'c c3 a? c? C 0 - : 1J Evaluating ? each ofthese forallvaluesofTandal val- uesof T will generate exactly the same set ofpoints. In other words, the coefficient matrices a 0 J U Cand 3a2c a? 00c 3ac2 2ac a - 01 c3 c? C - I