Table 8 Accuracy of multivariate rational RS model for the 6-bar truss structure problem
From: Multivariate Rational Response Surface Approximation of Nodal Displacements of Truss Structures
Evaluation standards | Node B |
|---|---|
Multiple fitting coefficient \(R^{2}\) | 1 |
Modified multiple fitting coefficient \(R_{\text{adj}}^{2}\) | 1 |
Maximum relative error ζmax/% | 3.63 × 10−4 |
Minimum relative error ζmin/% | 1.51 × 10−7 |
Average relative error ζavg/% | 7.46 × 10−5 |