Author Archives for Matt Doherty

kdb programming challenge – square-free sequences

October 17, 2014 1:55 pm Published by Matt Doherty 12 Comments

Continuing on from the number base challenge, this time around we will be looking at square-free sequences. Although they might... View Article

October 2, 2014 11:14 am Published by Matt Doherty 12 Comments

In systems of numbers the radix or base is the number of unique digits or symbols that are used to... View Article

July 25, 2014 10:23 am Published by Matt Doherty 2 Comments

This weeks challenge is in honour of the the late Richard Whiteley, who in his time clocked up more hours... View Article

July 4, 2014 7:30 am Published by Matt Doherty 4 Comments

Puzzle 3 – Rotating Substitution Cipher In cryptography one of the simplest forms of encryption is the substitution cipher, where... View Article

June 20, 2014 10:41 am Published by Matt Doherty 9 Comments

Hello and welcome to the hotly anticipated inaugural post of the AquaQ Analytics q programming challenge blog! Hopefully our humble... View Article