# 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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##### Finding similar photos

Go through the complete code for a Python project that consists in finding similar photographs in a folder. This tutorial will make use of classical techniques and is suitable for beginners.

##### Problem #063 – arbitrarily many primes in arbitrarily big intervals

Can you prove that there are arbitrarily many primes in arbitrarily big intervals?

##### TIL #053 – precision of Python floats

Today I learned what precision Python floats have.

##### TIL #051 – Heron's formula

Today I (re)learned Heron's formula to compute the area of a triangle from its three sides.

##### Problem #062 – sliding coins

Can you align all of the coins on the right edge of the board?

##### Problem #061 – flower garden

Three mathematicians discuss a beautiful flower garden and the coloured flowers within.

##### Problem #060 – realtor commissions

Two realtors discuss who's netting the award for highest average commission, but it isn't clear who the winner is...

##### Problem #059 – marching pegs

How can you swap the coloured pegs if they can only march forward?

##### Look-and-say sequence

We discuss the look-and-say sequence, its behaviour, variations of it, and a Python implementation.

##### TIL #038 – look-and-say sequence growth

Today I learned that the length of the terms of the “look-and-say” sequence has a well-defined growth rate.

##### Problem #057 – how to find the circle centre

Can you find the centre of the circle with just five lines?

##### TIL #034 – multi-channel transposed convolution

Today I learned about multi-channel transposed convolutions.

##### TIL #033 – transposed convolution

Today I learned about the transposed convolution transformation in CNNs.

##### Problem #056 – tennis tournament

How many matches does it take to find the winner of a tennis tournament?

##### TIL #032 – t-SNE for dimensionality reduction

Today I learned about t-SNE for dimensionality reduction.