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4 cards from this section. Quick, good the night before a test.
What is the result of A = [1, 2] .* B = [3, 4]?
Multiply corresponding elements.
How do you calculate the inverse of a 2x2 matrix manually?
What form does the inverse take?
Which operator is used for element-wise multiplication?
Look for the period before the asterisk.
True or False: The backslash operator is the most efficient method to solve linear equations in MATLAB.
Think about speed and computational efficiency.
Given the matrix A = [2, -3; 5, 4], calculate the determinant manually and using MATLAB. Then discuss if the matrix is invertible.
Apply the determinant formula carefully.
Design a simple linear equation set with two variables that can be solved using both matrix inverse and backslash methods in MATLAB, and explain the outcomes.
Use your creativity in forming the equations yet ensure solvability.
6 more questions in this section. Enroll free to practise them all.
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