Figure 2. Pictorial representation of the discretization process for the DE (14)

From

Spectral Rectangular Collocation Formula: An Approach for Solving Oscillatory Initial Value Problems and/or Boundary Value Problems in Ordinary Differential Equations

Oluwasegun M. Ibrahim, Piers W. Lawrence

Turkish Journal of Analysis and Number Theory. 2019, 7(1), 11-17 doi:10.12691/tjant-7-1-3