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MATLAB : Fourier transform

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By Nuno Nogueira, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=3912826 MATLAB has been  crucial programming language across worldwide that let us express matrix and array mathematics directly. In signal processing and communication it plays vital role in analysing and exploring time series data in time domain or frequency domain. For analysing non periodic signals in frequency domain we use Fourier transform instead of Fourier series ,which is used to express periodic signals in terms of infinite sum of sinusoidal terms .   Fourier transform can exist for :      1. Energy signals      2. Power signals       3. Impulse signals  That means absolutely integrable signals can have their Fourier transform only.  Formula for Fourier transform;   Then its come to use Fourier transform in MATLAB. So here is the code for Fourier transform of sinusoidal wave , for any other signal we ...
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Why every Programmer should use Git?

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 What is Git?

Managing files for a big software is a very difficult task. It may consume lots of time and memory. Therefore, you need a software that can manage the changes in files and folders and save these changes for future reference. Git is a Version Control software that provides all these features for a programmer.

Git is a Distributed version Control System (DVCS). In DVCS clients don’t just check out latest snapshot of the file; rather, they fully mirror the repository, including its full history. Thus, if any server dies, and these systems were collaborating via that server, any of the client repositories can be copied back up to the server to restore it. This feature makes git very helpful tool for programmer to manage their project.

When we install Git, an application called Git Bash comes with it. It provides command line experience on operating system and support Linux command. Bash is a popular default shell on Linux.

Installing Git Bash

1.You can easily download git from the given link according to your operating system.

     link :- https://git-scm.com/downloads

Git

2.Click on .exe file and run the installer and click on next button

installing git Bash

3. Select the components that you need to install and click on next button.

4.Select how to use git from command line and click on next to begin installation.

5.After completion of installation process you can search for Git Bash by typing Git in search bar in your OS and run the application by clicking on respective icon.

6. When you click on Git Bash icon, following command line window open. Here you can type your command and navigate your project files and folders.

git bash


I hope this article is helpful for you.

 

by:- Anshul Shakya
Student at National Institute of Technology, Patna, Bihar (India).

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