absolute_error          Absoute error between two vectors
active_learning         Active learning with surrogate function
compare                 Compare two vectors
euclidean               Compute the Euclidean distance of two vectors
gp                      Gaussian Process
gp_d                    Gaussian Process with derivative (SE kernel)
gp_surrogate            Gaussian Process surrogate function
gptools2-package        Import functions
kcov                    Compute the covariance matrix
kernel_template         Kernel template
log_det                 Compute the log determinant
map_row                 Map f over each row of a matrix x
matern_kernel           Matern kernel
mgp                     Multivariate Gaussian Process
predict_gp              Predict using the Gaussian Process
predict_gp_d            Predict using the Gaussian Process (with
                        derivative)
predict_mgp             Predict using the Multivariate Gaussian Process
relative_error          Relative error between two vectors
rq_kernel               Rational quadratic kernel
se_kernel               Squared exponential kernel
