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Revision **1158** -
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*Tue Jan 16 12:44:13 2007 UTC*
(17 years, 6 months ago)
by *johnpye*

File MIME type: text/x-ascend

File size: 1267 byte(s)

File MIME type: text/x-ascend

File size: 1267 byte(s)

More reformatting of model files. Note that plotbvp seems to be broken at present.

1 | (* ASCEND modelling environment |

2 | Copyright (C) 2006 Carnegie Mellon University |

3 | |

4 | This program is free software; you can redistribute it and/or modify |

5 | it under the terms of the GNU General Public License as published by |

6 | the Free Software Foundation; either version 2, or (at your option) |

7 | any later version. |

8 | |

9 | This program is distributed in the hope that it will be useful, |

10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |

11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |

12 | GNU General Public License for more details. |

13 | |

14 | You should have received a copy of the GNU General Public License |

15 | along with this program; if not, write to the Free Software |

16 | Foundation, Inc., 59 Temple Place - Suite 330, |

17 | Boston, MA 02111-1307, USA. |

18 | *) |

19 | REQUIRE "system.a4l"; |

20 | (* |

21 | Numeric root finding example, 5th order polynomial. |

22 | |

23 | This model is the first example in "Solved simple models with ASCEND" |

24 | @TODO citation needed |

25 | |

26 | by Arthur Westerberg, 1997 |

27 | *) |

28 | |

29 | MODEL roots_of_poly; |

30 | x IS_A generic_real; |

31 | (x-1)*(x-5)*(x+7)*(x^2+1) = 0; |

32 | |

33 | METHODS |

34 | (* test-case checks convergence to just one of these roots *) |

35 | METHOD on_load; |

36 | x := 7.0001; |

37 | END on_load; |

38 | |

39 | METHOD self_test; |

40 | ASSERT (x - 1.0) < 1e-5; |

41 | END self_test; |

42 | END roots_of_poly; |

43 | (* :ex: set ts=4: *) |

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