Using one-dimensional DCT encoding, calculate the M matrix from the following three p matrices (which are given as row matrices but need to be considered as column matrices). Interpret the result.

p₁ = [1 2 3 4 5 6 7 8] p₂ = [1 3 5 7 9 11 13 15] p₃ = [1 6 11 16 21 26 31 36]