Q7 We have the following frames (U), (1), (2), {3), {4) with known frame mapping matrices UT, 1T, 2T, &T, how to obtain gT and UT? 1 2 3 41 Q7 We have the following frames (U), (1), (2), {3), {4) with known frame mapping matrices UT, 1T, 2T, &T, how to obtain gT and UT? 1 2 3 41