| banana | Rosenbrock's Banana Function |
| bananaGrad | Rosenbrock's Banana Function |
| blockChol | Block Cholesky Decomposition |
| blockCor | Correlation Matrix without or with Derivatives |
| blockCor.default | Correlation Matrix without or with Derivatives |
| blockCor.gekm | Correlation Matrix without or with Derivatives |
| borehole | Borehole Function |
| boreholeGrad | Borehole Function |
| branin | Branin-Hoo Function |
| braninGrad | Branin-Hoo Function |
| camel3 | Three-Hump Camel Function |
| camel3Grad | Three-Hump Camel Function |
| camel6 | Six-Hump Camel Function |
| camel6Grad | Six-Hump Camel Function |
| cigar | Bent Cigar Function |
| cigarGrad | Bent Cigar Function |
| confint.gekm | Confint Method for a gekm Object |
| cons | Consolidation Process in a Homogeneous Cohesive Soil Layer |
| consTPM | Consolidation Process in a Homogeneous Cohesive Soil Layer |
| consVSA | Consolidation Process in a Homogeneous Cohesive Soil Layer |
| derivModelMatrix | Derivatives of Model Matrix |
| derivModelMatrix.default | Derivatives of Model Matrix |
| derivModelMatrix.gekm | Derivatives of Model Matrix |
| gekm | Fitting (Gradient-Enhanced) Kriging Models |
| griewank | Griewank Function |
| griewankGrad | Griewank Function |
| himmelblau | Himmelblau's Function |
| himmelblauGrad | Himmelblau's Function |
| logLik.gekm | Log-Likelihood of a gekm Object |
| logLikFun | Log-Likelihood Function |
| logLikFun.default | Log-Likelihood Function |
| logLikFun.gekm | Log-Likelihood Function |
| logLikGrad | Log-Likelihood Function |
| logLikGrad.default | Log-Likelihood Function |
| logLikGrad.gekm | Log-Likelihood Function |
| loo | Leave-One-Out Cross-Validation |
| loo.gekm | Leave-One-Out Cross-Validation |
| model.matrix.gekm | Derivatives of Model Matrix |
| plot.gekm | Plot Method for a gekm Object |
| predict.gekm | Predict Method for a gekm Object |
| print.gekm | Fitting (Gradient-Enhanced) Kriging Models |
| print.summary.gekm | Summary Method for a gekm Object |
| qing | Qing Function |
| qingGrad | Qing Function |
| rastrigin | Rastrigin Function |
| rastriginGrad | Rastrigin Function |
| schwefel | Schwefel Function |
| schwefelGrad | Schwefel Function |
| short | Short Column Function |
| shortGrad | Short Column Function |
| sigma.gekm | Extract Process Standard Deviation |
| simulate.gekm | Simulation of Conditional Process Paths |
| sphere | Sphere Function |
| sphereGrad | Sphere Function |
| steel | Steel Column Function |
| steelGrad | Steel Column Function |
| styblinski | Styblinski-Tang Function |
| styblinskiGrad | Styblinski-Tang Function |
| sulfur | Sulfur Model Function |
| sulfurGrad | Sulfur Model Function |
| summary.gekm | Summary Method for a gekm Object |
| tangents | Add Tangent Lines to a Plot |
| testfunctions | Test Functions in 'gek' |
| vectorfield | Add a Vector Field to a Plot |