## MAT A29 — Week 9

* This blog post contains my notes for MAT A29. It includes links to my lecture notes, and some additional references for the curious.
*

The lecture notes are available here.

Wikipedia’s simplified phase diagram of water (full phase.

Wikipedia’s allometry diagram for flight.

Steve Job’s “Bicycle for the mind” source: allometry of transport cost by weight.

A Bit of Auld Maths’ discussion of Kepler’s Third Law.

## MAT A31 — Week 9

## Anki Spaced Repetition

If you’re looking for spaced repetition software, check out Anki. It is a great program.

There are other good programs that do spaced repetition.

## MAT A29 — Week 8

* This blog post contains my notes for MAT A29. It includes links to my lecture notes. *

The notes for this week are available here.

We also watched this video about Hermann Ebbinghaus‘ statistical theory of learning.

We also considered the following difficult numerical example in class.

Time | Population A | Population B | ln(Pop A) | ln(Pop B) |

0 | 100.00 | 10.00 | 4.61 | 2.30 |

1 | 110.00 | 15.00 | 4.70 | 2.71 |

2 | 121.00 | 22.50 | 4.80 | 3.11 |

3 | 133.10 | 33.75 | 4.89 | 3.52 |

4 | 146.41 | 50.63 | 4.99 | 3.92 |

5 | 161.05 | 75.94 | 5.08 | 4.33 |

6 | 177.16 | 113.91 | 5.18 | 4.74 |

7 | 194.87 | 170.86 | 5.27 | 5.14 |

8 | 214.36 | 256.29 | 5.37 | 5.55 |

Exercise:Work backwards to find the secret formulas for Population A and B.

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