Table 11 Accuracy of multivariate rational RS model for the secondary mirror supporting structure problem
From: Multivariate Rational Response Surface Approximation of Nodal Displacements of Truss Structures
Evaluation standards | Node A |
|---|---|
Multiple fitting coefficient \(R^{2}\) | 1 |
Modified multiple fitting coefficient \(R_{\text{adj}}^{2}\) | 1 |
Maximum relative error ζmax/% | 1.24 × 10−4 |
Minimum relative error ζmin/% | 7.37 × 10−6 |
Average relative error ζavg/% | 4.48 × 10−5 |