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Latest Activity

Sandipan Dey's blog post was featured

Solving a few AI problems with Python: Part 1

In this blog we shall discuss about a few problems in artificial intelligence and their python implementations. The problems discussed here appeared as programming assignments in the edX course CS50’s Introduction to Artificial Intelligence with Python (HarvardX:CS50 AI). The problem statements are taken from the course itself.DegreesWrite a program that determines how many “degrees of separation” apart two actors…See More
Nov 6
Sandipan Dey posted a blog post

Solving a few AI problems with Python: Part 1

In this blog we shall discuss about a few problems in artificial intelligence and their python implementations. The problems discussed here appeared as programming assignments in the edX course CS50’s Introduction to Artificial Intelligence with Python (HarvardX:CS50 AI). The problem statements are taken from the course itself.DegreesWrite a program that determines how many “degrees of separation” apart two actors…See More
Nov 6
Mustafizur Rahman liked Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R and Python
Jul 15
Tim Matteson liked Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R and Python
Jul 14
Sandipan Dey's blog post was featured

Fourier Series and Differential Equations with some applications in R and Python

Heat / Diffusion EquationThe following animation shows how the temperature changes on the bar with time (considering only the first 100 terms for the Fourier series for the square wave).Let’s solve the below diffusion PDE with the given Neumann BCs.As can be seen from above, the initial condition can be represented as a 2-periodic triangle wave function (using even periodic extension), i.e.,The next animation shows how the different points on the tube arrive at the steady-state solution over…See More
Jul 12
Sandipan Dey's blog post was featured

Fourier Series and Differential Equations with some applications in R and Python (Part 2)

This is the 2nd part of the article on a few applications of Fourier Series in solving differential equations. All the problems are taken from the edx Course: MITx - 18.03Fx: Differential Equations Fourier Series and Partial Differential Equations. The article will be posted in two parts (two separate blongs)We shall see how to solve the following ODEs / PDEs using Fourier series:Solve the PDE for Heat / Diffusion using Neumann / Dirichlet boundary conditionsSolve Wave equation (PDE).Remove…See More
Jul 9
Sandipan Dey commented on Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R (Part 1)
"Thank you very much Vincent, i shall try it next time."
Jul 8
Vincent Granville commented on Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R (Part 1)
"Hi Sandipan, I also experience the same formatting problem. If you put 2 spaces around the "  >  " symbol, it fixes the issue. By the way, great article!"
Jul 8
Sandipan Dey commented on Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R (Part 1)
"Due to formatting issue some parts of code are replaced by junk html elements. For example,  "a >0" is to be read as "a > 0" "t…"
Jul 8
Tim Matteson liked Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R (Part 1)
Jul 7
Anthony Fiedler liked Sandipan Dey's blog post Fourier Series and Differential Equations with some applications in R (Part 1)
Jul 6
Sandipan Dey's blog post was featured

Fourier Series and Differential Equations with some applications in R (Part 1)

In this article, a few applications of Fourier Series in solving differential equations will be described. All the problems are taken from the edx Course: MITx - 18.03Fx: Differential Equations Fourier Series and Partial Differential Equations. The article will be posted in two parts (two separate blongs)First a basic introduction to the Fourier series will be given and then we shall see how to solve the following ODEs / PDEs using Fourier series:Find the steady state solution to un-damped /…See More
Jul 5
Kapil Vishwakarma commented on Sandipan Dey's blog post A Semi-Supervised Classification Algorithm using Markov Chain and Random Walk in R
"Since it says, “...using Markov Chain and Random Walk in R,” where is the R implementation of this?"
Jun 9
Lava Kafle liked Sandipan Dey's blog post Natural Language Processing: Measuring Semantic Relatedness
Mar 22
Anne Nies liked Sandipan Dey's blog post Implementing kd-tree for fast range-search, nearest-neighbor search and k-nearest-neighbor search algorithms in 2D in Java and python
Nov 14, 2019
Raj Singh liked Sandipan Dey's blog post Deep Learning with TensorFlow in Python: Convolution Neural Nets
Oct 16, 2019

Profile Information

Job Title:
Data Scientist
Seniority:
Technical
Job Function:
Data Science, Machine Learning, AI, Business Analytics, Deep Learning
Short Bio:
Currently Working as
Data Scientist, Turnoutnow

Research Interests
Data Mining, Machine Learning, Text Mining, Natural Language Processing, Information Retrieval, Optimization, Pattern Recognition, Algorithms, Programming/Problem Solving, Computational Photography, Computer Vision, Image Processing, Mathematics, Distributed/Cloud Computing.

Hobbies
Music, Movies

Education
MS, Computer Science, UMBC, USA
BE, Computer Science & Engineering, Jadavpur University, Calcutta, India

Rpubs
http://rpubs.com/sandipan/

WordPress blogs
https://sandipanweb.wordpress.com/

Tumblr blogs
http://sandipanumbc.tumblr.com/

Gmail blogs
https://www.blogger.com/blogger.g?blogID=7539416912746312433#allposts

Linkedin profile
https://www.linkedin.com/in/sandipan-dey-0370276

github
https://github.com/sandipan

Stackoverflow
http://stackoverflow.com/users/4706171/sandipan

DBLP
http://dblp.uni-trier.de/pers/hd/d/Dey:Sandipan

ArnetMiner
https://cn.aminer.org/profile/sandipan/53f4739edabfaee43ed2a4f6

Academia
https://umbc.academia.edu/SDey

ResearchGate
https://www.researchgate.net/profile/Sandipan_Dey

Rosalind
http://rosalind.info/users/sandipan/

Mathworks
http://demonstrations.wolfram.com/preview.html?draft/04814/000001/

Shinyapp
https://sandipan.shinyapps.io/rchartsentiment/

Coursera Profile
https://www.coursera.org/user/i/f34069ce8df6de7dbebfedfb7e760d9f
LinkedIn Profile:
http://https://www.linkedin.com/in/sandipan-dey-0370276
Interests:
Other

Sandipan Dey's Blog

Solving a few AI problems with Python: Part 1

Posted on November 6, 2020 at 1:30am 0 Comments

In this blog we shall discuss about a few problems in artificial intelligence and their python implementations. The problems discussed here appeared as programming assignments in the edX course CS50’s Introduction to Artificial Intelligence with Python…

Continue

Fourier Series and Differential Equations with some applications in R and Python

Posted on July 12, 2020 at 10:00am 0 Comments

Heat / Diffusion Equation

f15 f17

The following animation shows how the temperature changes on the bar with time (considering only the first 100 terms for the Fourier series for the square wave).…

heat3

Continue

Fourier Series and Differential Equations with some applications in R and Python (Part 2)

Posted on July 4, 2020 at 5:00pm 0 Comments

This is the 2nd part of the article on a few applications of Fourier Series in solving differential equations. All the problems are taken from the edx Course: MITx - 18.03Fx: Differential Equations Fourier Series and Partial Differential Equations. The article…

Continue

Fourier Series and Differential Equations with some applications in R (Part 1)

Posted on July 4, 2020 at 5:00pm 3 Comments

In this article, a few applications of Fourier Series in solving differential equations will be described. All the problems are taken from the edx Course: MITx - 18.03Fx: Differential Equations Fourier Series and Partial Differential Equations. The article will be posted in two parts (two separate blongs)

First a basic introduction to the Fourier series will be given and then we shall see how to solve the following ODEs / PDEs using Fourier series:

  1. Find…
Continue

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