Computers and Technology, 20.09.2019 23:30 madisonbrookecallis

Enter the following matrix in matlab. a =   −1 3 −4 −2 10 −16 −4 10 −10   (a) determine elementary matrices e1, e2, e3 of type iii such that e3e2e1a = u with u an upper triangular matrix. the matrix e1 should turn the element in position (2,1) into a 0. enter this matrix in matlab as e1 using commands similar to the ones in example 1. the matrix e2 should turn the element in position (3,1) into a zero. enter this matrix in matlab as e2. note that to zero out the entries in column 1, you need to add or subtract a multiple of row 1. once you have found the matrices e1 and e2, compute the product e2e1a in matlab. use format rat so that the entries will be given as fractions. based on the result, determine the matrix e3 that turns the element in position (3,2) into a zero. enter this matrix as e3 in matlab and compute u=e3e2e1*a.

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Enter the following matrix in matlab. a =   −1 3 −4 −2 10 −16 −4 10 −10   (a) determine elementa...

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