NumPy Square: Understanding np.square()
Ben Cook • Posted 2021-01-01 • Last updated 2021-10-15You can get the element-wise square of an input with np.square(). This is not exactly the same as x**2.
Recipe
Generate Random Uniform Numbers in NumPy
Ben Cook • Posted 2021-01-01 • Last updated 2021-10-15The unofficial guide to np.random.uniform()
Sorting a List of Tuples in Python
Ben Cook • Posted 2020-12-31 • Last updated 2021-10-15The best way to sort a list of tuples in Python.
The Keras Dense Layer
Ben Cook • Posted 2020-12-31 • Last updated 2021-03-24The Keras dense layer can be a little confusing. This post will give you everything you need to start using it.
The NumPy Square Root Operation
Ben Cook • Posted 2020-12-30 • Last updated 2021-10-15Everything you ever wanted to know about the numpy square root operation…
Combinations in Python
Ben Cook • Posted 2020-12-28 • Last updated 2021-10-15There are lots of ways to generate combinations in Python. This post will show you all of them.
The Keras Custom Layer Explained
Ben Cook • Posted 2020-12-26 • Last updated 2021-03-24Sometimes you need to define your own Keras custom layer. This tutorial explains how custom layers work for tensorflow>=1.7.0 (up to at least 2.4.0) which includes a fairly stable version of the Keras API.
Maximum Likelihood Estimate for the Uniform Distribution
Ben Cook • Posted 2020-12-24 • Last updated 2021-10-21If you have a random sample drawn from a continuous uniform(a, b) distribution stored in an array x, the maximum likelihood estimate (MLE) of a is…
How to Use the Pandas Melt Command
Ben Cook • Posted 2020-12-22 • Last updated 2021-10-15The Pandas melt command unpivots tabular data, transforming it from wide to long format. To understand this operation, you have to know…
Object Tracking in 75 Lines of Code
Ben Cook • Posted 2020-08-01 • Last updated 2022-01-04Object tracking is pretty easy conceptually. And if you have a good detector, simple methods can be pretty effective.