| equa2vecmat | Parse linear equations/inequalities | 
| join | Join elements into a string | 
| ldp | Least Distance Problem | 
| lsi | Linear Least Squares with Inequality constraints (LSI) | 
| lsie_ln | Linear Least Squares problem with inequality and equality constraints, least norm solution | 
| lsi_ln | Linear Least Squares with Inequality constraints, least norm solution | 
| lsi_reg | Regularized Linear Least Squares | 
| ls_ln | Linear Least Squares, least norm solution | 
| ls_ln_svd | Linear Least Squares, least norm solution (by svd) | 
| nlsic | Non Linear Least Squares with Inequality Constraints | 
| Nulla | Null-space basis | 
| tls | Total Least Squares 'a%*%x ~= b' | 
| uplo2uco | Transform box-type inequalities into matrix and vector form |