| covNoise | Independent noise function. |
| covNoise, array, array, integer, logic | Independent noise function. |
| covSEiso | Squared Exponential covariance function with isotropic distance measure. |
| covSEiso, array, array, integer, logic | Squared Exponential covariance function with isotropic distance measure. |
| covSum | Sum of covariance functions |
| covSum, string, array, array, integer, logic | Sum of covariance functions |
| gpr | Gaussian process regression function. |
| gpr, logtheta, covfunc.gpr, x, y, xstar , TRUE | Gaussian process regression function. |
| gpr, logtheta, covfunc.gpr, x, y | Gaussian process regression function. |
| minimize | Minimize function for differentiable multivariate functions. |
| minimize, array, string, integer, string, array, array | Minimize function for differentiable multivariate functions. |