The first few Jacobi polynomials for α = -3/8, β = 1/4 -1.266 -0.8321 -0.3983 0.03541 0.4692 0.9029 1.337 1.77 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1