The Gambler's Ruin, Illustrated with PHP
Jeffrey Way of Laracasts demonstrates what the Gambler's Ruin is using PHP.
Read more [laracasts.com]
Posts tagged with mathematics
An Interactive Introduction to Fourier Transforms
Jez Swanson, an engineer at Google, wrote a very pretty explanation on how Fourier transormations work and what their role is in storing sounds and images.
The Fourier transform is an extremely powerful tool, because splitting things up into frequencies is so fundamental. They're used in a lot of fields, including circuit design, mobile phone signals, magnetic resonance imaging (MRI), and quantum physics!
Read more [www.jezzamon.com]
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Finding differences in images with PHP
Over at Sitepoint Christoper Pitt shares some research he has done in finding differences in images using PHP.
I recently stumbled across a fascinating question: how could I tell whether an image had changed significantly? As PHP developers, the most troublesome image problem we have to deal with is how to resize an upload with an acceptable loss of quality.In the end I discovered what many before me have – that this problem becomes relatively simple given the application of some fundamental mathematical principles. Come along with me as we learn about them…
https://www.sitepoint.com/finding-differences-in-images-with-php