Give the elementary matrix that converts [-2,-2,-1,-3,-1,-3,1,-4,-3] to [-6,-2,-1,-5,-1,-3,-7,-4,-3]



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Give the elementary matrix that converts



Answer & Explanation



Skilled2021-03-08Added 85 answers

Notice that the difference between the two matrices is that the latter's first row is
Looking over your elementary matrix types, we see that the one that adds 2 times the second row to the first looks something like this.
That is, to add row k times row ii to row j, you take the identity matrix and add a k to column ii and row j.
We can multiply it out to confirm

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