1. 5. 3 Equally spaced Nodes Table 1. 12 Lagrange Coefficient Polynomials Used to Form P3() Based on Equally Spaced Nodes k=-1+2k /3 L30(x)=-0.0625000+0.062500+0.562500020.562500030 L 3,1( )=-0.5625000-1.6875000-0.56250002+1.6875000 L:2(x)=-0.562500+187500.0652500016875000 L:(x)=-10062500002000100652500010.565250001.5.3 Equally Spaced Nodes