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Questions and Answers
What is the output of the code snippet?
If a = [1 2 3; 4 5 6; 7 8 9], what does 'b = a(:,[2 3])' result in?
What does 'a(:,[2 3])' do in MATLAB?
Study Notes
MATLAB Code Snippet
- Given a matrix
a = [1 2 3; 4 5 6; 7 8 9] - The code
b = a(:, [2 3])extracts columns 2 and 3 from matrixaand assigns the result tob
MATLAB Matrix Operations
-
a(:, [2 3])is a MATLAB syntax to extract columns 2 and 3 from matrixa - The
:operator denotes all rows, while[2 3]specifies the columns to extract
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Description
Test your knowledge of MATLAB with this quiz. Determine the output of the code snippet and understand the functionality of 'a(:,[2 3])'. If a = [1 2 3; 4 5 6; 7 8 9], what does 'b = a(:,[2 3])' result in?
