Figure 1From: A new exponential Jacobi pseudospectral method for solving high-order ordinary differential equations Absolute residual error functions with \(\pmb{\theta = \frac{1}{2}}\) , \(\pmb{\vartheta=-\frac{1}{2}}\) , \(\pmb{N=20}\) and \(\pmb{L=1}\) for Example 1 . Back to article page