2.5.2 - Entering a matrix
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Practice Questions
Test your understanding with targeted questions
How would you enter a matrix with elements 1, 2, 3, 4?
💡 Hint: Remember to separate the rows with a semicolon.
What command would you use to access the element in the first row and second column of matrix A?
💡 Hint: Think about the indexing format A(i,j).
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the correct syntax to enter a matrix with elements 5, 6, 7 in the first row and 8, 9, 10 in the second row?
💡 Hint: Focus on the use of brackets and the correct separators.
True or False: A column vector in MATLAB can be defined as A = [1; 2; 3]?
💡 Hint: Think of how elements are stacked in a vertical format.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a 4x4 matrix filled with random integers from 1 to 10 and then extract the last two rows and last two columns.
💡 Hint: Use the randi function to generate your matrix.
Given a matrix A = [2 7 1; 3 5 8; 9 4 6], delete the first row and then create a sub-matrix with the remaining rows and columns 1 and 3.
💡 Hint: Remember, deleting a row affects the indexing of your sub-matrix.
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