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Maths in a minute: The knapsack problem
... luggage — some have to be left behind. You decide to pack a combination of presents that is highest in value to your friends, but doesn't exceed the weight limit imposed by the ...
Marianne  5 Jun 2017  15:05  2 comments

Maths in a minute: Some basic linear programming
... two crops, cocoa and pineapples (you're lucky to live in a warm country). You obviously want to maximise your return, but you're ...
Marianne  12 May 2017  09:32  0 comments

Maths in a minute: Fourier series
... lecture series. One of the nicest examples of a branch of maths devised to solve one problem, which then solves many other problems, is ... was a 19th century French mathematician who was interested in how heat flowed through objects. His first contribution was what is now ...
Marianne  8 May 2017  10:54  1 comment

Maths in a minute: Linear regression
By Wim Hordijk A linear regression tries to estimate a linear relationship that best fits a ... the number of tropical storms has changed over the years. In this case, we can plot the number of storms against time. The linear ...
Marianne  26 Apr 2017  14:43  0 comments

News from the world of maths: Maths in a minute  combinatorics
Thursday, November 12, 2009 Maths in a minute  combinatorics And while we're on the topic of ...
plusadmin  24 Mar 2017  12:53  1 comment

Maths in a minute: Poincaré and the beginnings of chaos
... as if he were stunned by his own discovery. In 1887 King Oscar II of Sweden and Norway offered a prize for the solution of an important maths problem. Suppose you have a number of celestial bodies (for example ...
Marianne  23 Mar 2017  14:06  1 comment

Maths in a minute: The bridges of Königsberg
In the eighteenth century the city we now know as Kaliningrad was called ... Like many other great cities Königsberg was divided by a river, called the Pregel. It contained two islands and there were seven ... article was inspired by content on our sister site Wild Maths , which encourages students to explore maths beyond the classroom and ...
Marianne  17 Mar 2017  10:02  1 comment

Maths in a minute: The golden ratio
... was first studied by the ancient Greeks, and it was defined in terms of geometry. Take a piece of line and divide it into a longer and a shorter piece so that the ...
Marianne  9 Mar 2017  12:14  0 comments

Maths in a minute: Penguins
... this important day pass without looking at some relevant maths. Penguins are wellknown, and respected, for the incredible hardships some species endure in order to raise their chicks, including gruelling walks across Antarctic ...
Marianne  8 Mar 2017  15:06  2 comments

Maths in a minute: Arrow's theorem
Is there a perfect voting system? In the 1950s the economist Kenneth Arrow asked ... Prize in Economics. You can find out more about the maths of voting in these Plus articles. ...
Marianne  22 Feb 2017  17:24  1 comment