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Physically Incorrect
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Physically Incorrect is a blog dedicated to entertaining and insightful technical posts on physics, mathematics and everything in-between. Written by a physics PhD, the blog explores a different topic every week, often from a technical viewpoint (equation
Recent Posts Tagged With 'algorithms'
Google’s PageRank (Sort of) Explained
In this post we’ll take a look at the algorithm which defines Google’s pagerank (PR) analysis. A webpage’s PR is a number between 0 and 10 that Google uses to estimate the usefulness...
Neural Networks Tutorial, Part #3
In our previous tutorial we’ve laid out the basic form of our two layer feed-forward neural network (FFNN). In this installment we’ll derive a way of training it. Just to remind you, here ...
Neural Networks Tutorial, Part #2
A Short Review In the previous part of our tutorial, I’ve spoken about feed forward neural networks (FFNN), and said that the basic building block of a FFNN is a layer, which can be concisely su...
Neural Networks Tutorial, Part #1
This is the first part of a set of postings on neural networks (NNs). NN are constructs that attempt to mimic our brain’s activity to a degree. NNs have become so common that it’s useful t...