Find an LU factorization of the matrices in Exercises 7–16 (with L unit lower triangular). Note that MATLAB will usually produce a permuted LU factorization because it uses partial pivoting for numerical accuracy.
13.
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- The augmented matrix 0.6931 0.3863 1.7726 1 1.3863 can help you find the values of a and b in the function y = a + blnx. (a) Rounding the values to the nearest integer (a whole number, that can be positive, negative, or zero), a= b= (b) Use the integers in part (a) to answer this question. If y = -2.3863, X= Round answer to one decimal place. Do not write 0.1 as.1arrow_forwardPlease answer question 4arrow_forwardObtain the matrix sI-Aarrow_forward
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