where x is in radians. Use Guadra tic lagrange interpolation bas ed on the nodles Xo 0.x0.5 and xz-lo to...
5. Write down the error term E3(x) for cubic Lagrange interpolation to f(x), where interpolation is to be exact at the four nodes xo = -1, x1 = 0, x2 = 3, and x3 = 4 and f(x) is given by (a) f(x) = 4x3 -- 3x + 2 (b) f(x)= x4 - 2x3 (c) f(x) = x3 – 5x4