Francisco Yepes Barrera

Solving the Generalized Eigenvalue Problem in C with GSL and LAPACK: An Application in Quantum Mechanics

12 min read

Algorithms
C
Quantum Mechanics

Solving the Generalized Eigenvalue Problem in C with GSL and LAPACK: An Application in Quantum Mechanics

Francisco Yepes Barrera August 14, 2025

Problem Definition The eigenvalue problem is an essential component of many numerical methods, especially in science and...

Debian 13 Trixie Released

2 min read

Linux

Debian 13 Trixie Released

Francisco Yepes Barrera August 13, 2025

Debian 13, called Trixie, is the new stable version of the Linux operating system officially released on...

Updating Emacs (Spacemacs) from Command Line

6 min read

Bash
Emacs

Updating Emacs (Spacemacs) from Command Line

Francisco Yepes Barrera August 12, 2025

I’ve been using Spacemacs for years. Spacemacs is addressed to Vim (through evil mode) and Emacs users...

Kasparov’s Immortal: The Greatest Chess Game of the Twentieth Century

1 min read

Chess

Kasparov’s Immortal: The Greatest Chess Game of the Twentieth Century

Francisco Yepes Barrera August 9, 2025

On January 20, 1999, at the Wijk aan Zee Chess Tournament in the Netherlands, Gary Kasparov and...

Eigen Artificial Neural Networks, a Novel Way to Optimize Neural Networks using Quantum Mechanics

18 min read

EANN
Neural Networks
Quantum Mechanics

Eigen Artificial Neural Networks, a Novel Way to Optimize Neural Networks using Quantum Mechanics

Francisco Yepes Barrera August 8, 2025

Introduction An Eigen Artificial Neural Network (EANN) is an optimization method for neural networks based on the...

Why Did Perl Never Catch On? A Nostalgic Look at Software Development

13 min read

Perl
Python

Why Did Perl Never Catch On? A Nostalgic Look at Software Development

Francisco Yepes Barrera August 2, 2025

There’s More Than One Way To Do It Perl is a programming language created in 1987 by...

Weather Forecasting in the Terminal using wttr.in and Perl

3 min read

Perl

Weather Forecasting in the Terminal using wttr.in and Perl

Francisco Yepes Barrera August 1, 2025

Using the wttr.in service, you can get weather forecasts on your terminal. The following Perl script (weather.pl)...

Transpose of a Matrix in Perl

2 min read

Perl

Transpose of a Matrix in Perl

Francisco Yepes Barrera July 31, 2025

The following script performs the transposition of a matrix in Perl. Launched without arguments, the program transpose.pl...

Artificial General Intelligence: An Upper Limit

2 min read

Fundamentals

Artificial General Intelligence: An Upper Limit

Francisco Yepes Barrera July 30, 2025

The implicit or explicit goal of many areas of artificial intelligence research, since the dawn of the...

Moore’s Law

1 min read

Miscellaneous

Moore’s Law

Francisco Yepes Barrera June 26, 2025

In 1965, in a famous article, Gordon Moore, co-founder of Intel, proposed that the number of transistors...

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