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  3. 1) let a be nxn matrix and ax=b, if we need change

1) Let A be nxn matrix and Ax=b, if we need change A to Upper triangular...

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Advance Math

1) Let A be nxn matrix and Ax=b, if we need change A to Uppertriangular matrix using Gaussian Elimination, how manyadditions/subtraction operations are involved? how manymultiplication/division operations are involved?

2) Once we got the upper triangular matrix, now we need to applyback-substitution, how many additions/subtraction operations areinvolved? how many multiplication/division operations areinvolved?

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