Positivity Preserving Interpolation Using Rational Bicubic Spline

Table 2

Numerical results.

	0	1	2	3
	−7.296	8.796	123.429	154.570
	0.75	14.429	139
	0.5	0.5	0.5
	0.5	0.5	0.5
	13.84	3.14	0.25