Multiquadric and its shape parameter—A numerical investigation of error estimate, condition number, and round-off error by arbitrary precision computation

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Recent Advances in Radial Basis Function Collocation Methods (2013, methodology): “Namely, one part grows exponentially, and the other decays exponentially as the shape parameter c increases e O eackc=h ; 0\k\1; a [ 0; ð2:14Þ or e O eac2kc=h ; 0\k\1; a [ 0: ð2:15Þ Huang et al. [6] proposed an empirical error estimate for the IMQ RBF e O eac3=2kc1=2=h ; 0\k\1; a [ 0: ð2:16Þ 2.1 Tra”