Genetic Algorithm: a highly robust inversion scheme for geophysical applications (codes included)
An introduction to the basics of genetic algorithm along with a simple numerical example and solution of a...
Utpal Kumar's Blog
Earth Inversion
Computational Geophysics, Data Science, and Scientific Coding
Practical tutorials, research insights, and reproducible workflows for Earth science problems with modern coding tools.
- 125+ Published Posts
- 10 Topic Categories
- 2026 Updated This Year
Research
Seismology, geophysics, and Earth-system investigations with quantitative methods.
Data Analysis
Applied Python workflows for scientific computing, statistics, and visual analytics.
Web Computing
Hands-on web development patterns for publishing interactive technical work.
Easily integrate Custom Functions in MATLAB with Python (codes included)
How can we use the MATLAB functions in Python? MATLAB implementation are usually reliable as it is develope...
Recent posts
Latest articles on geophysics, scientific computing, numerical methods, and applied data workflows.
The easy way to compute and visualize the time & frequency domain correlation (codes included)
In geophysics, it is important to understand and identify the complex and unknown relationships between two time-series. Cross-correlation is an established ...
Monte carlo methods and earthquake location problem (codes included)
The common geophysical problems most often have multimodal objective function with many possible minima. In this post, we will look into the Monte Carlo meth...
Plotting a record section using obspy (codes included)
Quickly plot record section of a stream using Obspy. I will introduce you how to make a stream from a set of SAC data, plot the record section and store it a...
Writing and formatting a scientific manuscript in microsoft word
If you are ready to use the Microsoft Word as your favourite tool for writing your awesome scientific thoughts and ideas into a manuscript, then I would like...
A simple system monitor app in python (codes included)
A simple Python app for system CPU and RAM usage monitoring in real time. The app is build mainly using the PyQt5, pyqtgraph and psutil.
Build a flask web application: sea level rise monitoring (codes included)
This post gives a quick introduction on how to build a web application using Flask and deploy on Heroku server. Then, I share my codes for building advanced ...
Write ascii data to mseed file using obspy (codes included)
In this post, I will read a ASCII file whose first few lines contains the header information and then the three-component data. I will read using the pandas ...
Least-squares method in geosciences (codes included)
Least-squares method is a popular approach in geophysical inversion to estimate the parameters of a postulated Earth model from given observations. This meth...
Speed-up your codes by parallel computing in python (codes included)
Parallel computing is quickly becoming a necessity. Modern computers comes with more than one process and we most often only use single process to do most of...
Advanced 2d plots with matplotlib in python (codes included)
Codes for plotting advanced 2D plots using matplotlib library in Python. Includes simple 2D plot, error bars, bar graphs, histograms, multiple plots, etc
Time-frequency analysis in matlab (codes included)
A signal has one or more frequency components in it and can be viewed from two different standpoints: time-domain and frequency domain. In general, signals a...
Hypothesis test for the significance of linear trend using the monte carlo simulations (codes included)
We pose a null hypothesis and enquire that given that the null hypothesis is true, how likely is the observed pattern of results? This likelihood is known as...
The easy way to compute and visualize the time & frequency domain correlation (codes included)
In geophysics, it is important to understand and identify the complex and unknown relationships between two time-series. Cross-correlation is an established ...
Monte carlo methods and earthquake location problem (codes included)
The common geophysical problems most often have multimodal objective function with many possible minima. In this post, we will look into the Monte Carlo meth...
Plotting a record section using obspy (codes included)
Quickly plot record section of a stream using Obspy. I will introduce you how to make a stream from a set of SAC data, plot the record section and store it a...
Writing and formatting a scientific manuscript in microsoft word
If you are ready to use the Microsoft Word as your favourite tool for writing your awesome scientific thoughts and ideas into a manuscript, then I would like...
A simple system monitor app in python (codes included)
A simple Python app for system CPU and RAM usage monitoring in real time. The app is build mainly using the PyQt5, pyqtgraph and psutil.
Build a flask web application: sea level rise monitoring (codes included)
This post gives a quick introduction on how to build a web application using Flask and deploy on Heroku server. Then, I share my codes for building advanced ...
Write ascii data to mseed file using obspy (codes included)
In this post, I will read a ASCII file whose first few lines contains the header information and then the three-component data. I will read using the pandas ...
Least-squares method in geosciences (codes included)
Least-squares method is a popular approach in geophysical inversion to estimate the parameters of a postulated Earth model from given observations. This meth...
Speed-up your codes by parallel computing in python (codes included)
Parallel computing is quickly becoming a necessity. Modern computers comes with more than one process and we most often only use single process to do most of...
Advanced 2d plots with matplotlib in python (codes included)
Codes for plotting advanced 2D plots using matplotlib library in Python. Includes simple 2D plot, error bars, bar graphs, histograms, multiple plots, etc
Time-frequency analysis in matlab (codes included)
A signal has one or more frequency components in it and can be viewed from two different standpoints: time-domain and frequency domain. In general, signals a...
Hypothesis test for the significance of linear trend using the monte carlo simulations (codes included)
We pose a null hypothesis and enquire that given that the null hypothesis is true, how likely is the observed pattern of results? This likelihood is known as...