Blog Archives

Genetic Music: From Schoenberg to Bach

April 27, 2017
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Genetic Music: From Schoenberg to Bach

Bach, the epitome of a musician who strove all life long and finally acquired the ‘Habit of Perfection’, was a thoroughly imperfect human being (John Eliot Gardiner, Bach: Music in the Castle of Heaven) Sometimes I dream awake and imagine I am a famous musician.  I fantasize being Paco de Lucía playing Mi niño Curro alone … Continue...

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Frankenstein

March 7, 2017
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Frankenstein

Remember me, remember me, but ah! forget my fate (Dido’s Lament, Henry Purcell) A Voronoi diagram divides a plane based on a set of original points. Each polygon, or Voronoi cell, contains an original point and all that are closer to that point than any other. This is a nice example of a Voronoi tesselation. You … Continue...

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Who is Alan Turing?

February 21, 2017
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Who is Alan Turing?

This government is committed to introducing posthumous pardons for people with certain historical sexual offence convictions who would be innocent of any crime now (British Government Spokesperson, September 2016) Last September, the British government announced its intention to pursue what has become known as the Alan Turing law, offering exoneration to the tens of thousands … Continue...

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How to Find Equidistant Coordinates Between Two Locations on Earth

February 13, 2017
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How to Find Equidistant Coordinates Between Two Locations on Earth

Here’s to the ones who dream foolish, as they may seem (The Fools Who Dream, ‘La La Land’ OST) One of the key points of The Meeting Point Locator is to obtain an orthogonal great circle to the bearing defined by any two given locations on Earth. A great circle is the intersection of the … Continue...

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The Meeting Point Locator

January 16, 2017
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The Meeting Point Locator

Hi Hillary, It’s Donald, would you like to have a beer with me in La Cabra Brewing, in Berwyn, Pensilvania? (Hypothetical utilization of The Meeting Point Locator) Finding a place to have a drink with someone may become a difficult task. It is quite common that one of them does not want to move to the other’s … Continue...

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Three Shiny Apps to Celebrate the Beauty of Maths

December 12, 2016
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Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country (David Hilbert) One of the best decisions I took this year related with this blog was to move it to my own self-hosted domain using WordPress.org. It allows to me, for example, to embed dynamic JavaScript visualizations like this one. … Continue...

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The Somnambulist and Pi

December 1, 2016
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The Somnambulist and Pi

How wary we are of something warm and unborn. Something calmly by zero will divide (Unbegotten, The Somnambulist) Some time ago, I assumed the mission to draw a plot for the cover of the new album of The Somnambulist, a music band from Berlin. They wanted a circlization of Pi, which is a graphic where … Continue...

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Bayesian Blood

November 17, 2016
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Bayesian Blood

The fourth, the fifth, the minor fall and the major lift (Hallelujah, Leonard Cohen) Next problem is extracted from MacKay’s Information Theory, Inference and Learning Algorithms: Two people have left traces of their own blood at the scene of a crime. A suspect, Oliver, is tested and found to have type ‘O’ blood. The blood … Continue...

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Visualizing the Daily Variability of Bitcoin with Quandl and Highcharts

October 4, 2016
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Lay your dreams, little darling, in a flower bed; let that sunshine in your hair (Where the skies are blue, The Lumineers) I discovered this nice visualization some days ago. The author is also the creator of Highcharter, an incredible R wrapper for Highcharts javascript libray and its modules. I am a big fan of him. … Continue...

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The Ex Libris Generator

February 1, 2016
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The Ex Libris Generator

Go ahead stomp your feet on the floorboards Clap your hands if that’s really what you came here for (Heaven, The Milk Carton Kids) Inspired by curves created by the harmonograph, I have done a Shiny app to generate random images that you can personalize and use as an Exlibris.  You can try the App here. … Continue...

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