k = lar2rc(g)
define log area ratios.
returns the reflection coefficients.
X = [7 6 5 8 3 6 8 7 5 2 4 7 4 3 2 5 4 9 5 3 5 7 3 9 4 1 2 0 5 4 8 6 4 6 5 3]; k = lar2rc(X) or t=[2 5 6; 8 6 5; 8 9 4] k = lar2rc(t)