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How can you access all elements of a column in MATLAB?
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Use a colon ':', e.g., 'matrix(:, 3)' to access all elements of the third column.
How are logical arrays represented in MATLAB?
As arrays of 1s (true) and 0s (false).
In MATLAB, what does the 'end' keyword represent when indexing?
It represents the last index of an array or matrix.
What is vectorization in MATLAB, and why is it important?
Vectorization involves processing data in vectors for efficiency, often leading to faster execution compared to using loops.
What function would you use to generate a vector of 20 linearly spaced points between 0 and 100 in MATLAB?
linspace(0, 100, 20)
How do you create a custom function in MATLAB?
Use the 'function' keyword and save it in a separate '.m' file in the same directory.
What does the 'eye' function do in MATLAB?
Generates an n x n identity matrix.
What is the default numeric data type in MATLAB?
Double
How do you suppress output in MATLAB?
By using a semicolon ';' at the end of a statement.
Explain how to perform element-wise operations on arrays in MATLAB.
Use a dot '.' before the operator, such as 'x.^2' for squaring each element of x.
What MATLAB command would you use to measure the execution time of a block of code?
Use 'tic' at the beginning and 'toc' at the end of the code block.
Explain how you can display multiple plots within a single figure in MATLAB.
Use the 'subplot' function to create a grid of plots within the same figure.
Describe the role of the 'hold on' command in MATLAB plotting.
It allows overlaying multiple plots on the same graph without erasing previous plots.
What is the difference between single quotes and double quotes in MATLAB?
Single quotes are for character arrays (char), while double quotes are for string data type.
What is the purpose of the 'clearvars' command in MATLAB?
To clear all variables from the workspace.
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