Research Article
Positivity Preserving Interpolation Using Rational Bicubic Spline
Table 5
Positive surface data from function
.
| | −3 | −2 | −1 | 0 | 1 | 2 | 3 |
| −3 | 0.0401 | 0.0404 | 0.1755 | 1.0401 | 0.1755 | 0.0404 | 0.0401 | −2 | 0.0583 | 0.0586 | 0.1936 | 1.0583 | 0.1936 | 0.0586 | 0.0583 | −1 | 0.4078 | 0.4082 | 0.5432 | 1.4079 | 0.5432 | 0.4082 | 0.4078 | 0 | 1.0400 | 1.0403 | 1.1753 | 2.0400 | 1.1753 | 1.0403 | 1.0400 | 1 | 0.4078 | 0.4082 | 0.5432 | 1.4079 | 0.5432 | 0.4082 | 0.4078 | 2 | 0.0583 | 0.0586 | 0.1936 | 1.0583 | 0.1936 | 0.0586 | 0.0583 | 3 | 0.0401 | 0.0404 | 0.1755 | 1.0401 | 0.1755 | 0.0404 | 0.0401 |
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