Geoff Hagopian's Sabbatical Log

I invite readers to investigate my progressing sabbatical study.

Click on the the red dates: these are hyperlinks to the log entries.

I invite readers to investigate my progressing sabbatical study.

Click on the the red dates: these are hyperlinks to the log entries.

Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |

25 | 26 | 27 | 28 | 29 | 30 | 1 |

2 | 3 | 4 | 5 | 6 | 7 | 8 |

List functions and deque functions. | Ho hum. Associative containers. Raw, unadorned boredome... | Finally got vectors working for the partition program. Lots of debuggery. | Cleaned it up and added some commentary. | Wearing the necklace. Oh, it's a
burden. Burnside's lemma?! |
JOMA and JSTOR. | |

9 | 10 | 11 | 12 | 13 | 14 | 15 |

Back to parsing: Get the parser to recognise a single digit. |
Get the parser to separate operands and operators on separate stacks and then operate! | Can now evaluate expressions like 1+3+5-7-1. | Short note on a problem with lists. | Notes on recursive descent, shunting yard and precedence climbing. | Infix to postfix? Just a mess of notes. | Abstract algebra behind necklaces. |

16 | 17 | 18 | 19 | 20 | 21 | 22 |

Development of notation an basic concepts for solving the necklace problem. | Case 1: The number of beads are odd, is solved, with a proof by Jim Matthews. | The Monte Carlo program for generating necklaces. | More necklace case examples, verified by both Monte Carlo and Burnsides. | Introducing Bernstein blobs. | Using openGL to draw necklaces. Combining the generate necklaces fctn with the draw circle function. | The dreary business of sorting out WebEQ, MathML, etc is begun: also circle pixels! |

23 | 24 | 25 | 26 | 27 | 28 | 29 |

This time I'm editing xml in a text editor to describe cpp code for implementing circle midpoint pixel algorithm. | Going back to simple MS-Word MathType generator--for Elipse Midpoint Algorithms. | Implementing the ellipse midpoint algorithm. | Rotated Conics and the discriminant. | Fill algorithms. | Anti-alisasing and the Pitteway - Watkinson algorithm. | Geometric transformations: translation, rotation and scaling in 2D. |

30 | 31 | 1 | 2 | 3 | 4 | 5 |

Geometric Transformations in 3D, from inutitive to quaternion. | Some code implementing the quaternion method of rotation with experiments. |