Friday, 12 January 2018

Watch along with MATM: The Oxford Murders

Don't do it.

The Oxford Murders is terrible.

(Thomas is very sorry for choosing it).

However, should you want to waste 104 minutes of your life you can buy the DVD from Amazon by following the link below.
 
Such a waste of talented people!
Such a waste of mathematical logic!

We didn't read it... but the book might be better?

Wednesday, 10 January 2018

Answer to the Moneyball problem

Listen here!


During Moneyball Ben asked:

What is the probability that the next person you meet will have an above average number of ears? 

Although most people have two ears, there are those with only one. Thus, the average number of ears is just below two.

However, since people with only one ear are quite rare this means you are most likely to meet a person with two ears next, meaning that the probability is nearly 1! We can't say it is exactly 1, because the next person you meet, although unlikely, may have a damaged ear.

Of course, if you live with a person with only one ear then your probability is significantly lower, because you'll likely bump into that person next.

It's all about the assumptions!

Listen to our Flatland podcast to hear more about this problem and learn why clarifying the averages we talk about have important consequences regarding the interpretation of the question.

Friday, 5 January 2018

Maths at the Movies: Flatland

This week we take a walk in the lower dimensions as we talk about Flatland: The Movie.
  • How much is your life worth?
  • Could 2D animals exist?
  • Did George Orwell rip this story off by adding a third dimension?
All of these questions and more are interrupted in our Flatland: The Movie podcast.

Join us in our search for the third dimension and beyond!


If you're interested in watching Flatland: The Movie  you can follow the Amazon link below.



Further reading links:

Subscribe via iTunes.
Follow us on twitter @PodcastMathsAt, as well as @ThomasEWoolley and @benmparker

Tuesday, 2 January 2018

Puzzle from Moneyball

Ben provided the following puzzle during our Moneyball podcast.

What is the probability that the next person you meet will have an above average number of ears?


Don't worry he gave a set of multiple choice answers, so, is the answer:
  • 0?
  • nearly 0?
  • 1/2?
  • nearly 1?
  • 1?
  • π?
As a hint it isn't π.

Join us next time for the answer, when we discuss Flatland.

Monday, 1 January 2018

One the first day of Christmas my true love gave to me...

Yes, Christmas maybe over, but the puzzles still remain! During our Christmas episode Thomas provided the following puzzle.

In the song "12 days of Christmas" how many presents do you get over all? 

Note the lyrics are given below, but the main idea is that you are adding up consecutive triangular numbers. Namely, on the first day you get 1 present. On the second day you get 3 = 2+1 more presents, making 4 overall. On the third day you get 6 = 3 + 2 + 1 more presents, meaning 10 overall. Thus, in total, how many presents do you get?

You can find the answer during Maths At: Christmas

We also gave you a bonus question that built on this ideas.

In the song "12 days of Christmas" how many legs are there in total?

As we discussed in the podcast there are many possible solutions to this question based on different assumptions. Do the milk maids have stools? Has a swan lost a leg and swimming in a circle?

Many possibilities! We will reveal our solution next time.

For those who want a consistent set of lyrics we used the following list:

First day:
A Partridge in a Pear Tree

Second day:
2 Turtle Doves
and a Partridge in a Pear Tree

Third day:
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Fourth day:
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Fifth day:
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Sixth day:
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Seventh day:
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Eighth day:
8 Maids a Milking
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Ninth day:
9 Ladies Dancing
8 Maids a Milking
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Tenth day:
10 Lords a Leaping
9 Ladies Dancing
8 Maids a Milking
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Eleventh day:
11 Pipers Piping
10 Lords a Leaping
9 Ladies Dancing
8 Maids a Milking
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Twelfth day:
12 Drummers Drumming
11 Pipers Piping
10 Lords a Leaping
9 Ladies Dancing
8 Maids a Milking
7 Swans a Swimming
6 Geese a Laying
5 Golden Rings
4 Calling Birds
3 French Hens
2 Turtle Doves
and a Partridge in a Pear Tree

Friday, 29 December 2017

Watch along with MATM: Flatland

It's been a long time coming, but we're finally back on track. Next Friday will be our 8th episode where we discuss and watch Flatland: The Movie.


Once again we have a star-studded cast of voice actors including Martin Sheen, Kristen Bell and Michael York.

You can buy a DVD copy from the company behind the film, or Amazon does stock imported US versions. However, they are quite expensive and will take a little while to arrive.

For those of you who do not want to seek an illegal online streaming copy (which we do not condone here at Maths At) there is always the possibility of reading the book by Edwin A. Abbott, which sticks pretty close to the movie, except for one or two plot points. The book also goes into much more detail about the Flatland universe.

Be there or be square.

Monday, 25 December 2017

Maths at: Christmas

It's the most wonderful time... of the year.

Merry Christmas and happy holidays to all of our listeners. 

Join us as we discuss (amongst other things):
  • our favourite Christmas films (not really mathematical);
  • the differences between a mathematicians office Christmas party and an actual Christmas party (slightly mathematical);
  • the number of presents your true is giving and how many legs they'll have (quite mathematical).
So fill your boots with Turkey and in your after dinner stupor enjoy our CHRISTMATHS! We're better than the Queen's speech.

GUEST INTRO AND OUTRO: Ma Woolley.


As festive as Ben can get!
Further reading links:
Subscribe via iTunes.
Follow us on twitter @PodcastMathsAt, as well as @ThomasEWoolley and @benmparker.

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