Legendre Polynomials n m x actual plgndr(n,m,x) 1 0 1.000000 1.000000e+00 1.000000e+00 10 0 1.000000 9.999999e-01 1.000000e+00 20 0 1.000000 1.000000e+00 1.000000e+00 1 0 0.707107 7.071064e-01 7.071067e-01 10 0 0.707107 1.151121e-01 1.151121e-01 20 0 0.707107 -1.930652e-01 -1.930653e-01 1 0 0.000000 0.000000e+00 0.000000e+00 10 0 0.000000 -2.460938e-01 -2.460938e-01 20 0 0.000000 1.761970e-01 1.761971e-01 2 2 0.707107 1.500000e+00 1.500000e+00 10 2 0.707107 -6.888429e+00 -6.888390e+00 20 2 0.707107 8.423188e+01 8.423187e+01 2 2 0.000000 3.000000e+00 3.000000e+00 10 2 0.000000 2.707032e+01 2.707031e+01 20 2 0.000000 -7.400273e+01 -7.400276e+01 10 10 0.707107 2.046010e+07 2.046030e+07 20 10 0.707107 -1.335506e+12 -1.335507e+12 10 10 0.000000 6.547289e+08 6.547291e+08 20 10 0.000000 -1.612053e+12 -1.612053e+12