Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression using pseudo-inverse training. Compared to other training techniques, such as stochastic gradient descent, ...

Contrary to popular belief, there is actually a wrong way to apply perfume, and it's likely the reason why you can't smell your signature scent only a few hours after you spritz it on. You could ...

What is the ICW Index? Tl;DR: The ICW index is a weighted average of variables where the weights are determined by the inverse of the covariance matrix of the variables. Anderson (2008) proposed an ...

The high for the S&P 500 is 6920.34; it closed Friday up 36.48 to 6849.09. If we were to use this increment of +36, we would exceed 6920.34 in 3 days. I am not making a prediction; stock prices almost ...

When you’re getting into web development, you’ll hear a lot about Python and JavaScript. They’re both super popular, but they do different things and have their own quirks. It’s not really about which ...

Abstract: We have designed an ultra compact silicon nitride based $1 \times 4$ wavelength demultiplexer using inverse method in near infrared region. The device exhibits high transmission ...

Getting input from users is one of the first skills every Python programmer learns. Whether you’re building a console app, validating numeric data, or collecting values in a GUI, Python’s input() ...

Functions are the building blocks of Python programming. They let you organize your code, reduce repetition, and make your programs more readable and reusable. Whether you’re writing small scripts or ...

Astral's uv utility simplifies and speeds up working with Python virtual environments. But it has some other superpowers, too: it lets you run Python packages and programs without having to formally ...

When you install Python packages into a given instance of Python, the default behavior is for the package’s files to be copied into the target installation. But sometimes you don’t want to copy the ...

Have you ever found yourself wrestling with Excel formulas, wishing for a more powerful tool to handle your data? Or maybe you’ve heard the buzz about Python in Excel and wondered if it’s truly the ...

Dozens of machine learning algorithms require computing the inverse of a matrix. Computing a matrix inverse is conceptually easy, but implementation is one of the most challenging tasks in numerical ...