[10, 1; 11.8, 1; 13.9, 1; 15.5, 1]^T·[10, 1; 11.8, 1; 13.9, 1; 15.5, 1]·[a; b] = [10, 1; 11.8, 1; 13.9, 1; 15.5, 1]^T·[9.18; 9.55; 10.72; 10.93] --> a = 6049/17340 ∧ b = 976201/173400
Skizze:
~plot~ 6049/17340x+976201/173400;{10|9.18};{11.8|9.55};{13.9|10.72};{15.5|10.93};[[0|16|0|12]] ~plot~