| ar1_cov_chol_irregular | Upper triangular Cholesky decomposition for a stationary Gaussian AR(1) process covariance matrix, observed at irregularly spaced time points. |
| ar1_cov_consecutive | Covariance matrix for a stationary Gaussian AR(1) process, observed at consecutive timepoints. |
| ar1_cov_irregular | Covariance matrix for a stationary Gaussian AR(1) process, observed at irregularly spaced time points. |
| ar1_cross_cov | Cross-covariance matrix of a stationary Gaussian AR(1) process. |
| ar1_lpdf | Evaluate the log-density of a stationary Gaussian AR(1) process. |
| ar1_prec_chol_irregular | Upper Cholesky triangle of the precision matrix of a stationary Gaussian AR(1) process, observed at irregularly spaced time points. |
| ar1_prec_consecutive | Sparse precision matrix for a stationary Gaussian AR(1) process, observed at consecutive timepoints. |
| ar1_prec_irregular | Precision matrix for a stationary Gaussian AR(1) process, observed at irregularly spaced time points. |
| ar1_sim_conditional | Simulate from a stationary Gaussian AR(1) process. |
| ar1_sim_consecutive | Simulate from a stationary Gaussian AR(1) process. |
| ar1_sim_irregular | Simulate from a stationary Gaussian AR(1) process at irregular times. |
| band1_backsolve | Backsolve with band 1 upper Cholesky. |
| chol_tridiag_upper | Upper Cholesky decomposition of a tridiagonal matrix. |
| dprecchol_drho | Derivative of the upper Cholesky triangle of the precision matrix of a stationary Gaussian AR(1) process. |
| dprec_drho | Derivative of the precision matrix for a stationary Gaussian AR(1) process. |
| mult_U_band1U | Multiply an upper triangular matrix with a band 1 upper triangular matrix. |