If a and b are two non-empty numerical row vectors (of the same length L) present in Matlab Workspace, what command would you use to create a new 2 x L matrix, called d, that is a combination of a and b (a elements are in the first row and elements of b are in the second row)? d = transpose(a, b) d = a _ b d = [a; b] d = a .* (1/b)
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If a and b are two non-empty numerical row
vectors (of the same length L) present in Matlab Workspace, what command would you use to create a new 2 x L matrix, called d, that is a combination of a and b (a elements are in the first row and elements of b are in the second row)?d = transpose(a, b)
d = a _ b
d = [a; b]
d = a .* (1/b)
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- If a and b are two non-empty numerical row vectors (of different lengths) present in Matlab Workspace, what command would you use to create a new vector, called c, that is a combination of a and b (b elements are appended at the end of a)? c = a + b c = transpose(a,b) c = [a; b] c = [a, b]Assuming that you have a non-empty SQUARE matrix B of size n (assume n is ODD and n > 2 ; assume n is a variable present in Workspace) available in your Workspace, which Matlab command will not "extract" the center column of B? B(:,floor(n/2)) B(:,ceil(end/2)) B(1:end,ceil(mean(1:n))) B(:,ceil(length(B)/2))Write R commands to create a 4 × 4 matrix named m whose elements are complex numbers. The real part of each element is the row number; the imaginary part of each element is the column number. Compute the matrix that results from multiplying each element of m by its conjugate. (Hint: First, find the products of all elements and their conjugates; Second, list all results numbers in a 4 × 4 matrix.)
- Which of the following code segments will use vectorisation to reduce the time taken to calculate the sum of two NumPy arrays: A and B? (Select ALL that apply) 1. ) C = np.empty(A.size) for index in range(A.size): C[index] = A[index] + B[index] 2.) A.tolist()+B.tolist() 3.) np.sum([A, B]) 4.) A+BAssuming that M is already a variable in the workspace and M contains numeric data in a matrix format, which of the following lines of code changes the value of M? Write your answer in a comment in your m file. List all correct answers. There could be more than one. M(:) x = M(end,:) M = M’ transpose(M) M = 1:10Here is my entire code(average is not working yet). The response I got from the professor is that I have to create a DRY solution replacing the five display_functions with a single get_array function you call five times like common_array = get_array(plant_xml, "COMMON") etc. from urllib.request import urlopenfrom xml.etree.ElementTree import parse def read_data(data_file): plant_url = urlopen(data_file) plant_xml = parse(plant_url) return plant_xml def display_common_items(plant_xml): plant_root = plant_xml.getroot() common_array = [] for item in plant_root.findall("PLANT"): common_array.append(item.find("COMMON").text) return common_array def display_botanical_items(plant_xml): plant_root = plant_xml.getroot() botanical_array = [] for item in plant_root.findall("PLANT"): botanical_array.append(item.find("BOTANICAL").text) return botanical_array def display_zone_items(plant_xml): plant_root = plant_xml.getroot() zone_array = []…
- 28) Give an example to illustrate the difference between the linspace function and the colon operator.29) A = [2; 7; 4] write this Matlab command in a different way.30) Create a 4 by 3 matrix W and fill it with thefollowing values M =12 71 44 1 5 65 6 5 4 2 5 6231) Create a 4 by 3 matrix R and fill it with thefollowing values M =3 2 43 11 4 65 21 65 7 21 23 9Assuming that you have a non-empty SQUARE matrix B of size n (assume n >= 2; assume n is a variable present in Workspace) available in your Workspace, which Matlab command will create a vector comprised of all element values present on matrix B diagonal? For example, if: B = 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4 The result should be: 1 2 3 4 B(1:(n+1):end) B(1:n:end) B(1:(n-1):end) B(1:-n:end)Assuming that you have a non-empty row vector a (assume length(a) > 2) available in your Workspace, which Matlab command will NOT reverse the order (reversing the order: if a IS [1, 2, 3] it WILL BECOME [3, 2, 1]) of its elements' values? Use Matlab Help if needed. a = a([end:-1:1]); a = a(end:-1:1); a = fliplr(a); a = a(end:1:1);
- 1. Which command will return the corner elements of a 10-by-10 matrix A? A. A([1,end], [1,end])B. A([1,1], [end,end])C. A({[1,1], [1,end], [end,1], [end,end]})D. A(1:end, 1:end) 2. Which command will return the fraction of positive numbers in a 10-by-10 matrix A? A. A(A > 0)/AB. numel(A > 0)/numel(A)C. sum(A > 0)/prod(size(A))D. nnz(A > 0)/numel(A) 3. Which command will delete (completely remove) the last cell of a cell-array C? A. C{end} = [];B. C[end] = [];C. C(end) = [];D. C{end} = {[]}; 4. Which command will create a plot of acceleration vs. time (i.e., a vector time on the x-axis and a vector acceleration on the y-axis)? A. plot(time, acceleration)B. plot(acceleration, time)C. plot([time, acceleration])D. plot([acceleration, time]) 5. Which command will give the standard deviation for each column in a 10-by-5 matrix Z? A. std(Z(:))B. std(std(Z))C. std(Z(1:5, :))D. std(Z) How to answer above questions based on Matlab!The following code doesn't correctly return the index values of the minimum contiguous subsequence. Please modify it so that it does, with comments if possible. def minSumRec(a, left, right): if left == right: return [a[left], left, right] center = int((left + right) / 2) min_left_sum = minSumRec(a, left, center) min_right_sum = minSumRec(a, center + 1, right) min_left_border_sum, left_border_sum = 1e9, 0 for i in range(center, left - 1, -1): left_border_sum += a[i] if left_border_sum < min_left_border_sum: min_left_border_sum = left_border_sum min_right_border_sum, right_border_sum = 1e9, 0 for i in range(center + 1, right + 1): right_border_sum += a[i] if right_border_sum < min_right_border_sum: min_right_border_sum = right_border_sum min_border_sum = min_right_border_sum + min_left_border_sum minSum = min(min_left_sum[0], min_right_sum[0], min_border_sum) if minSum == min_left_sum: return min_left_sum if minSum == min_right_sum: return min_right_sum return…Here you are required to draw a bar chart of batchwise strength of Avionics Department with following features through python: Add suitable label in the x axis, y axis and a title. Display a horizontal bar chart. Display a vertical bar chart. Use different color for each bar. Attach a text label above each bar displaying its strength (number of students). You are given two lists/arrays: Batch = [Ave-01, Ave-02, Ave-03, Ave-04, Ave-05, Ave-06] Num_Students = [29,50,35,45,50,40]