Abhinav Bhatia bhatiaabhinav

🏠

Working from home

PhD Student @UMass Amherst Sequential Decision Making, Deep Reinforcement Learning

bhatiaabhinav / 100-prisoners.jl

Last active August 4, 2022 23:07

Julia implementation of 100-prisoners cycle-following strategy.

	"""
	Decription: A simulation of the cycle-following strategy for the 100-prisoners problem (https://en.wikipedia.org/wiki/100_prisoners_problem), which provides a survival probability of more than 30%.
	Author: Abhinav Bhatia <[email protected]>
	"""

	using Random
	using Base.Threads: @threads, Atomic, atomic_add!

	"""returns whether successful or not"""
	function simulate_cycle_strategy_for_all_prisoners(game::Vector{Int})::Bool

bhatiaabhinav / wgan-gp.jl

Created July 13, 2022 04:48

Julia implementation of WGAN-GP using Flux and Zygote

	using Flux
	using Flux: update!
	using Zygote
	using StatsBase

	"""
	WGAN with gradient penalty. See algorithm 1 in https://proceedings.neurips.cc/paper/2017/file/892c3b1c6dccd52936e27cbd0ff683d6-Paper.pdf. The following code is almost line by line identical.
	"""
	function train_WGAN_GP(𝐺, 𝐷, 𝐗::Array{Float32, N}, latent_size, num_iters, device_fn; m=32, λ=10f0, ncritic=5, α=0.0001, β₁=0, β₂=0.9) where N
	n = size(𝐗)[end] # length of dataset

bhatiaabhinav / fourier_art.py

Last active July 1, 2019 13:46

Generate random or guided Fourier art.

	'''
	A script to Fourier-ize drawings made using mouse/stylus. Or simply generate random art.
	Author: Abhinav Bhatia
	Email: [email protected]
	Examples: https://i.imgur.com/c5EKAh6.gif, https://i.imgur.com/kpYHxho.gif
	'''
	import sys
	import time
	import numpy as np
	import matplotlib.pyplot as plt

bhatiaabhinav / rotate.c

Created July 15, 2014 17:24

Demonstrates how to rotate a sqaure 2D array by 90 degrees clockwise. Uses concept of geometric transformation.

	#include <stdio.h>

	void rotateRight90(int* sourceArray, int* destArray, int side)
	{
	int srcY, srcX, destY, destX, elem;

	for (srcY = 1; srcY <= side; srcY++)
	{
	for (srcX = 1; srcX <= side; srcX++)
	{

bhatiaabhinav / linklist.c

Created July 7, 2014 15:16

Linklist & Stack Implementation plus some useful functions

	#include "linklist.h"
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	LinkList linkList_createNew(int(comparator) (void, void*))
	{
	LinkList ll;
	ll.head = NULL;
	ll.tail = NULL;

bhatiaabhinav / DFA.c

Last active December 10, 2024 03:19

Deterministic Finite Automata Implementation in C

	#include "DFA.h"
	#include <stdlib.h>
	#include <string.h>

	void dfa_makeNextTransition(DFA* dfa, char c)
	{
	int transitionID;
	DFAState* pCurrentState = dfa->states[dfa->currentStateID];
	for (transitionID = 0; transitionID < pCurrentState->numberOfTransitions; transitionID++)
	{

bhatiaabhinav / prettyPrint.c

Created June 30, 2014 07:59

A Simple Application which demonstrates how to pretty print a tree