Question: Now, we will make our own forward and backward solve using for loops to do the job. For forward solve, we are solving the system

Now, we will make our own forward and backward solve using for loops to do the job. For forward solve, we are solving the system Lc = Pb where we know Land Pb and want to find c.From the LU factorization above, we have 10 0 1 0 L = and recall that Pb = O - W N 5. (3 points) Answer the following questions: a) What size will c be? b) Since L is a lower triangular matrix, should we start solving at the top (row 1) or bottom (row 3)? c) Describe how we might obtain the first entry

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