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Firstly, enter the following matrices into Matlab via the command line interface, A = [1 3 3 4 -2 2 1 1 1 -5 7
Firstly, enter the following matrices into Matlab via the command line interface, A = [1 3 3 4 -2 2 1 1 1 -5 7 9 -1 -4 5 6] and B = [0 3 0 4 5 6 -1 3 5 -7 8 9] Extract the third column of B and the first row of B. Replace all of the negative elements in A with a zero value. What is the size of B? What is A times 13 and what happens when you try to find B times A? What is the inverse of A? How would you check that this is correct
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