On a Pointwise Convergence of Quasi-Periodic-Rational Trigonometric Interpolation

Figure 2

The graph of |𝑅^𝑝_256,𝑚(𝑓,𝑥)| on interval [−0.7,0.7] for 𝑚=2 and 𝑝=4 while interpolating (90) by the quasi-periodic Fourier-Pade interpolation (see (96)).