From the Knapsack DP matrix given above, what is the maximum profit earned when the Capacity = 6 weights available = [3,4,5]
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- Q1 Consider an x-by-y logical containing n number of 0's and m number of 1's. Additionally, consider an x-by-y matrix (double). Which of the following outputs is true if the matrix is indexed with the logical? Select one: a. Output is a m-by-1 double b. Output is a n-by-1 double c. Output is an x-by-y double d. Output is an m-by-n double e. Output is an x-by-y logical Q2 Consider a text file that contains 19 rows of header text followed by 23 rows of numerical data. How many times will the fgetl() function need to be called to import the 9th row of numerical data in the text file? Select one: a. 23 b. 28 c. 14 d. 9 e. 1 Q3 Consider x to be an m-by-n matrix with m > n. Which of the following statements is true regarding y = ones(length(x))? Select one: a. The output of y will be an n-by-n matrix b. The output of y will be an m-by-m matrix c. The output of y will be an n-by-m matrix d. The output of y will be a 1-by-n vector e. The…Knapsack 0/1 problem: Given N items where each item has some weight and profit associated with it and also given a bag with capacity W, [i.e., the bag can hold at most W weight in it]. The task is to put the items into the bag such that the sum of profits associated with them is the maximum possible. Given the problem is solved using a dynamic programming approach and the matrix derived is given below, answer the below set of questions by analyzing the DP matrix. weights = [2, 3, 4, 5], profits = [1, 2, 5, 6], Capacity W = 8 Capacity 2 3 Profits weights|0 1 2 5 16 14 |-> 5 10 0 O 10 1 2 3 4 0 O 0 1 1 0 1 0 1 O 10 1 2 2 2 5 2 O 15 50 1 356 6 O 1 3 6 18 00378 7 10 10 1 3 7 7 1 18Consider the following code:> x <- matrix(rnorm(n = 500), ncol = 5)> varx <- var(x)Starting with varx, use two applications of the sweep() function, one dividing each row of the matrix andthe other dividing each column, of a covariance matrix to obtain R, the correlation matrix.