Mathspp Blog

A blog dedicated to mathematics and programming!

This blog has a really interesting assortment of articles on mathematics and programming. You can use the tags to your right to find topics that interest you, or you may want to have a look at

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Today I learned how to do ceiling division in Python just with //.

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Can you solve this simple-looking arithmetic challenge?

If I scramble a Rubik's cube for long enough, will it solve itself?

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Can you solve this little minesweeper puzzle?

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It's night time and 4 friends need to cross a fragile bridge, but they only have one torch. What's the order in which they should cross?

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Three friends are given three different numbers that add up to a dozen. Can you figure out everyone's numbers?

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You have two magical ropes that you can set on fire and you need to count 45 minutes. How do you do it?

You are on vacation and must find the most efficient way to cross all bridges. How will you do that?

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This article will twist and bend your mind a little bit, as we go over some interesting self-referential concepts and objects.

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Alice and Bob sit across each other, ready for their game of coins. Who will emerge victorious?

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Can you find a really large triangle that is also really tiny?

This is an algorithmic puzzle where you just have to turn some coins.

In the fifth article of this short series we will be handling some subtleties that we overlooked in our experiment to classify handwritten digits from the MNIST dataset.

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In this article we use (finite state) automatons to count 698,438,863,898,480,640 passwords in a couple milliseconds.

Two doors, one gives you eternal happiness and the other eternal sadness. How can you pick the correct one?

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Syncro is a beautiful game where you have to unite all the petals in a single flower. In how many moves can you do it?

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A waiter at a restaurant gets a group's order completely wrong. Can you turn the table to get two or more orders right?

In the fourth article of this short series we will apply our neural network framework to recognise handwritten digits.

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A bunch of ants are left inside a very, very, tight tube, and they keep colliding with each other and turning around. How long will it take them to escape?

The third article of this short series concerns itself with the implementation of the backpropagation algorithm, the usual choice of algorithm used to enable a neural network to learn.