Home | Data Structures | Coefficients | IP Array |
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TRIGEN |
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IFIRST | option |

0 | no initialization |

1 | initialize for piecewise linear elements |

2 | initialize for piecewise quadratic elements |

3 | initialize for piecewise cubic elements |

4 | initialize for piecewise quartic elements |

5 | initialize for piecewise quintic elements |

6 | initialize for piecewise polynomials of degree 6 |

7 | initialize for piecewise polynomials of degree 7 |

8 | initialize for piecewise polynomials of degree 8 |

9 | initialize for piecewise polynomials of degree 9 |

IPROB | problem option |

1 | elliptic boundary value problem |

2 | obstacle problem |

3 | continuation problem |

4 | parameter identification problem |

5 | optimal control problem |

-1 | DD solve for elliptic boundary value problem |

-2 | DD solve for obstacle problem |

-3 | DD solve for continuation problem |

-4 | DD solve for parameter identification problem |

-5 | DD solve for optimal control problem |

ITASK | IPROB | option |

0 | 1 | default |

9 | use functional | |

0 | 2 | default |

0 | 3 | continue to the nearest target point |

1 | continue to the nearest target or singular point | |

2 | switch branches at a bifurcation point | |

3 | switch λ and/or ρ; initialize with λ fixed | |

4 | switch λ and/or ρ; initialize with ρ fixed | |

5 | solve with σ = 0, θ = 0 (λ fixed) | |

6 | solve with σ = 0, θ = 2 (ρ fixed) | |

7 | solve with σ = 0, θ = 1 | |

0 | 4 | default |

8 | λ affects domain shape | |

0 | 5 | default |

ISPD | storage/iteration options |

0 | nonsymmetric/biconjugate gradient |

1 | symmetric/conjugate gradient |

METHOD | preconditioner |

0 | Block SGS smoother, HB coarse space |

1 | ILU |