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Matlab Collected Knowledge
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Matlab Collected Knowledge

Introduction to Matlab Live Editor

Searching Matlab documentation for linspace function

clc - clear window display

clear - clear window display and memory

Matlab Prompt and Workspace


Entering Command and Naming Variable


Saving and Loading File

Matlab built-in functions


Matlab Live Editor


Vector and Matrix

How to write a row vector array?
How to write a column vector array?
How to write a matrix array?

When creating a matrix you must enter them row by row. The semicolon is your clue that you are now entering the next row in your listing.

Another way to create a row vector array is by using colon. You specify the starting number : ending number. Here you must remember that the default step is 1. So the next number will be stepped up by adding 1 to the starting number.


You are allowed to do computation within the square brackets





linspace function will generate equally space interval while the logspace function will generate logarithmically spaced interval

Array Creation


Data Extraction in Matlab












MASTERING FAST FOURIER TRANSFORM USING MATLAB FOR
INVERTER BASED RESOURCES DATA ANALYSIS



Looking at the Noisy signal waveform shown above it is very hard to see what is the dominant frequency present. The noisy waveform could be a current waveform or voltage waveform. Now using Matlab fast Fourier transform function we can easily see the 60 Hz and 180 Hz (3rd Harmonics) are present. Then using the Matlab power frequency spectrum function, we can easily see the dominant frequency captured at the that moment of time.

Sample ChatGPT writing Matlab code



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