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# TAOPDIPM

Barrier-based primal-dual interior point algorithm for generally constrained optimization.

### Option Database Keys

| -tao_pdipm_push_init_lambdai | - parameter to push initial dual variables away from bounds (> 0)
| -tao_pdipm_push_init_slack | - parameter to push initial slack variables away from bounds (> 0)
| -tao_pdipm_mu_update_factor | - update scalar for barrier parameter (mu) update (> 0)
| -tao_pdipm_symmetric_kkt | - Solve non-reduced symmetric KKT system
| -tao_pdipm_kkt_shift_pd | - Add shifts to make KKT matrix positive definite

### Level

beginner

### Location

src/tao/constrained/impls/ipm/pdipm.c

### Examples

src/tao/constrained/tutorials/ex1.c.html
Index of all Tao routines
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Index of all manual pages