Blog

Super Resolution using U-Net like architecture

ML
Jul 12, 2023
Nipun Batra

Trees using NetworkX

ML
Jun 12, 2023
Nipun Batra

Positional Encoding

ML
Jun 9, 2023
Nipun Batra

Bayesian Active Learning with Disagreement (BALD)

ML
May 26, 2023
Nipun Batra

PINN

ML
PINNs are a class of neural networks for solving partial differential equations. They are trained to minimize the residual of the differential equation, and the boundary and…
May 5, 2023
Nipun Batra

Gradient wrt input for a simple model for adversarial attacks

ML
Main idea:
May 5, 2023
Nipun Batra

SIREN paper implementation

ML
Apr 28, 2023
Nipun Batra

SIREN paper

ML
In this post, I’m noting some observations from the SIREN paper.
Apr 27, 2023
Nipun Batra

Heteroskedastic and Homoskedastic MLPs in PyTorch for regression

ML
Dataset
Apr 10, 2023
Nipun Batra

Tensorboard

ML
Mar 21, 2023
Nipun Batra

Residual Connections in PyTorch

ML
Mar 18, 2023
Nipun Batra

AutoML PyTorch

ML
In this post, we look at AutoPyTorch, a framework for automated machine learning.
Feb 25, 2023
Nipun Batra

 

Stacking (Meta Learning)

ML
Feb 22, 2023
Nipun Batra

Stacking (Ensemble Learning)

ML
In this post, we study a simple meta learning technique called Stacking
Feb 21, 2023
Nipun Batra

Multivariate Taylor Series

ML
Second order Taylor series expansion of a function f around a point (x0, y0) is given by (when using the vector notation)
Feb 20, 2023
Nipun Batra

Comparing GP libraries

ML
In this notebook, we will show how to compare different GP libraries to give the same loss for a simple GP regression problem.
Feb 6, 2023
Nipun Batra

SVD

ML
Feb 1, 2023
Nipun Batra

Conformal Prediction

ML
This is a work in progress. I will be adding more content to this post in the coming days.
Jan 19, 2023
Nipun Batra

 

VSCode Settings and Tips

ML
vscode
Jan 17, 2023
Nipun Batra

Binomial and Poisson distribution

ML
Nov 20, 2022
Nipun Batra

 

Some useful tidibts in sympy

ML

Some useful tidibts in sympy
Nov 9, 2022
Nipun Batra

Autoencoders in JAX

ML

A programming introduction to Autoencoders in JAX
Nov 4, 2022
Nipun Batra

Calibration

ml

Probability Calibration
Oct 27, 2022
Nipun Batra

Multi-output Gaussian Process

ml

Multi-output Gaussian Process
Oct 25, 2022
Nipun Batra

Welcome To My Blog

news
This is the first post in a Quarto blog. Welcome!
Sep 14, 2022
Tristan O’Malley

Audio Filtering

ML
Feb 24, 2022
Nipun Batra

Coordinate descent failure example

ML
Fix x2 = 2
Feb 21, 2022
Nipun Batra

Pyro Conditioning

ML
Feb 20, 2022
Nipun Batra

Probabilstic PCA using PyTorch distributions

ML
Feb 17, 2022
Nipun Batra

Linear Regression using Pyro

ML
Feb 17, 2022
Nipun Batra

Drawing graphical models

ML
References
Feb 15, 2022
Nipun Batra

Logistic Regression using PyTorch distributions

ML
Feb 14, 2022
Nipun Batra

GMM learning

ML
Feb 14, 2022
Nipun Batra

Variational Inference

ML
Let us first look at G1. Look at the illustration below. We have a normal distribution \(p\) and two other normal distributions \(q_1\) and \(q_2\). Which of \(q_1\) and \…
Feb 12, 2022
Nipun Batra

Maximum A-Posteriori (MAP) for parameters of univariate and multivariate normal distribution in PyTorch

ML
PyTorch
\(\hat{\theta}_{MAP}=\dfrac{n}{n+\sigma^{2}} \bar{x}+\dfrac{\sigma^{2}}{n+\sigma^{2}} \mu\)
Feb 11, 2022
Nipun Batra

Matrix as transformation and interpreting low rank matrix

ML
LA
Multiplying a matrix A with a vector x transforms x
Feb 11, 2022
Nipun Batra

 

Autograd in JAX and PyTorch

ML
JAX
PyTorch
Feb 9, 2022
Nipun Batra

Maximum Likelihood Estimation (MLE) for parameters of univariate and multivariate normal distribution in PyTorch

ML
PyTorch
Let us generate some normally distributed data and see if we can learn the mean.
Feb 9, 2022
Nipun Batra

Coin Toss (MLE, MAP, Fully Bayesian) in TF Probability

ML
TFP
TF
We will be studying the problem of coin tosses. I will not go into derivations but mostly deal with automatic gradient computation in TF Probability.
Feb 7, 2022
Nipun Batra

Linear Regression in TF Probability using JointDistributionCoroutineAutoBatched

ML
TFP
TF
TODO
Feb 5, 2022
Nipun Batra

Simple Directed Graphical Models in TF Probability

ML
TFP
TF
References
Feb 5, 2022
Nipun Batra

Sampling from univariate and multivariate normal distributions using Box-Muller transform

ML
In this notebook I’ll talk about…
Feb 4, 2022
Nipun Batra

Understanding KL-Divergence

ML
Let us first look at G1. Look at the illustration below. We have a normal distribution \(p\) and two other normal distributions \(q_1\) and \(q_2\). Which of \(q_1\) and \…
Jan 29, 2022
Nipun Batra

Linear Regression in Tensorflow Probability

ML
Good reference https://tensorchiefs.github.io/bbs/files/21052019-bbs-Beate-uncertainty.pdf
Jan 28, 2022
Nipun Batra

Testing out some distributions in Tensorflow Probability

ML
Let us generate some normally distributed data and see if we can learn the mean.
Jan 26, 2022
Nipun Batra

Learning Gaussian Process regression parameters using mini-batch stochastic gradient descent

ML

How to learn the parameters of a GP
Sep 3, 2021
Nipun Batra

Linear Regression from scratch in Julia

ML
Sep 1, 2021
Nipun Batra

Probabilistic Programming in Pyro

ML
In this post, I will look at a simple application:
Aug 20, 2021
Nipun Batra

Blurring an image selectively using Affinity Photo

setup

Blurring an image selectively using Affinity Photo
Jun 19, 2021

Audio Filtering on the command line and Python

ML
In this post I will look into some filters for…
Jun 18, 2021
Nipun Batra

Running Python scripts on server over ssh and getting back content

setup

Running Python scripts on server over ssh and getting back content
Jun 17, 2021

Some of my shortcuts on the iPad

setup

Some of my shortcuts on the iPad
Jun 16, 2021

My iPad Setup

setup

My iPad computing setup
Jun 14, 2021

My Mac Setup

setup

My Mac Setup
Jun 12, 2021

A programming introduction to GANs

ML
This is a post about Generative Adversarial Networks (GANs). This post is very heavily influenced and borrows code from:
May 31, 2021
Nipun Batra

 

Understanding Kernels in Gaussian Processes Regression

ML

Using GPy and some interactive visualisations for understanding GPR and applying on a real world data set
Jun 26, 2020
Nipun Batra

Sampling from common distributions

ML

From the ground up!
Apr 16, 2020
Nipun Batra

Learning Gaussian Process regression parameters using gradient descent

ML

How to learn the parameters of a GP
Mar 29, 2020
Nipun Batra

Active Learning with Bayesian Linear Regression

ML

A programming introduction to Active Learning with Bayesian Linear Regression.
Mar 28, 2020
Zeel Patel & Nipun Batra

Some experiments in Gaussian Processes Regression

ML

Using GPy and some interactive visualisations for understanding GPR and applying on a real world data set
Mar 26, 2020
Nipun Batra

Some Neural Network Classification

ML

A programming introduction to NNs.
Mar 8, 2020
Nipun Batra

Neural Networks from scratch

ML

Simple scripts for downloading weather data
Mar 2, 2020
Nipun Batra

Learning neural network for XOR

ML
Excellent, now let us start from random weight initialisations and use backprop to come to our result
Feb 28, 2020
Nipun Batra

Bayesian Linear Regression

ML

A programming introduction to Bayesian Linear Regression.
Feb 20, 2020
Nipun Batra

An Example Markdown Post

markdown

A minimal example of using markdown with fastpages.
Jan 14, 2020

Gaussian Processes

ML

A programming introduction to Gaussian Processes.
Aug 20, 2019
Nipun Batra

Placement-Preparation-2018-1-HashMap

academia

HashMaps for programming interviews
Aug 18, 2018
Nipun Batra

Visualising Electricity Access Over Space and Time

sustainability

How is the world changing over the years!
Jun 26, 2018
Nipun Batra

Mapping location of air quality sensing in India

air quality

AQ sensing in India
Jun 21, 2018
Nipun Batra

Active Learning

ML

A programming introduction to query by committee strategy for active learning
Jun 16, 2018
Nipun Batra

Signal denoising using RNNs in PyTorch

ML

Denoising
Jan 13, 2018
Nipun Batra

CS Ph.D. lessons to my younger self

academia

Some personal reflections..
Jan 7, 2018
Nipun Batra

Neural Networks for Collaborative Filtering

ML

Neural networks to learn the embeddings! and how to combine them
Dec 29, 2017
Nipun Batra

Recommender Systems in Keras

ML

A programming introduction to recommender systems using Keras!
Dec 18, 2017
Nipun Batra

Adagrad based matrix factorization

ML

Adagrad optimizer for matrix factorisation
Aug 13, 2017
Nipun Batra

Programatically understanding Adagrad

ML
In this post, I’ll be using Adagrad for solving linear regression. As usual, the purpose of this post is educational. This link gives a good overview of Adagrad alongwith other…
Aug 12, 2017
Nipun Batra

Top 50 ggplot2 Visualizations in Python - Part 1

visualisation

Same graphic using different libraries!
Aug 2, 2017
Nipun Batra

Linear regression with prior (using gradient descent)

ML

What if we start from some prior!
Jun 15, 2017
Nipun Batra

Data exploration using widgets in Matplotlib

visualisation

Exploring data in Matplotlib
Jun 14, 2017
Nipun Batra

 

Constrained Non-negative matrix factorisation using CVXPY

ML

Constrained NMF using CVXPY!
Apr 21, 2017
Nipun Batra

Out of Tensor factorisation

ML

Out of tensor factorisation
Apr 20, 2017
Nipun Batra

Out of matrix non-negative matrix factorisation

ML

What if we to predict for entries not within the matrix?!
Apr 19, 2017
Nipun Batra

Coin tosses and MCMC

ML

MCMC simulations for coin tosses!
Jul 1, 2014
Nipun Batra

Latexify Matplotlib

visualisation

Towards amazing plots in research papers!
Jun 2, 2014
Nipun Batra

Programatically understanding Expectation Maximization

ML

Maximize based on what you know, re-estimate!
Jun 1, 2014
Nipun Batra

Gibbs sampling

ML

Programmatic introduction
May 1, 2014
Nipun Batra

Programatically understanding dynamic time warping (DTW)

ML

Signal processing for unequal time series!
May 1, 2014
Nipun Batra

Denoising using Least Squares

ML

How the simple least squares can be used in more ways than you thought!
Sep 1, 2013
Nipun Batra

HMM Simulation for Continuous HMM

ML

Simulating a continuous HMM
Jul 1, 2013
Nipun Batra

HMM Simulation for Unfair Casino Problem

ML

A programming introduction to HMMs for unfair casino problem
Jun 1, 2013
Nipun Batra

Aggregation in Timeseries using Pandas

visualisation

Pandas excellence in timeseries!
May 1, 2013
Nipun Batra

Downloading weather data

visualisation

Simple scripts for downloading weather data
Apr 1, 2013
Nipun Batra
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