Problem 2) Extract diagonal elements of a square matrix and put into a column array. As an example, you can read the matrix below from input using scanf: -9 10 22 -7 21 60 8. And your output display should look like: 1 60 -7 Your code must use for loops. Test your code with a 4x4 size square matrix and your choice of values.
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- Using GNU Octave, create a row vector that has following elements: 3, 4*2.55, 68/16, 45, nthroot (100,3), cos(25) and 0.05Create a row vector of 1's that has 4 rows. Now Create a column vector of 1's that has 4 columns. Using matrix multiplication, multiply both of these to get a 4x4 matrix and display the resulting matrix. Using matlab, do this. Please answer it correctly and don’t copy from anywhere otherwise it will be downvoted.Create a 3-by-3 matrix: A = [1 2 3;4 5 6;7 8 10] (a)Extract a submatrix B consisting of rows 1 and 3 and columns 1 and 2 of the matrix A (b)Interchange rows 1 and 3 of A and put it in a variable C. Hint: use the vector of row indices together with the colon operator (c)Create a vector version of the original matrix A. (d)Delete the 2nd column of the original matrix A and put it in a variable called A. (e)Insert a 2nd column to the new matrix A to restore it back to its original form A. (f) Extract those entries of the original matrix A that are greater than 5
- Write a program that fills a 5 x 5 matrix with the following data: Upper left triangle with -1 Lower right triangle with 1 Right to left diagonal with 0Vectors store a linear arrangement of values, accessed by a single index. Two-dimensional arrays store a tabular arrangement of values, accessed by two indexes, for example matrix[i][j], where i is the row index, and j is the column index. A common two-dimensional array that you should have seen early on in your education is a multiplication table. For example, here is the multiplication table up to 5 x 5: 1 2 3 4 5 1 1 2 3 4 5 2 2 4 6 8 10 3 3 6 9 12 15 4 4 8 12 16 20 5 5 10 15 20 25 Write a program that asks the user for the number of rows and columns for a multiplication table and prints out the corresponding results.I need to help about python please solve every question Answer each questions by using numpy arrays:Q1. Create an array of 2, 4, 6, 8, ..., 100.Q2. Create a 1-D array of 50 evenly spaced elements between 3. and 10., inclusive.Q3. Create a 3x3 matrix with values ranging from 0 to 8Q4. Multiply a 5x3 matrix by a 3x2 matrix (real matrix product)Q5. Reverse a vector (first element becomes last)
- python please provide code and result Create a random 5x5 matrix sampled from the unit interval in variable “A". Compute the inverse of the matrix, and store it in variable "B". Using matrix multiplication, compute the product of the two matrices - make sure you got identity matrix with 1 on the diagonal and 0 elsewhere (up to numerical precision). Plot the matrices as heatmaps with matplotlib imshow function. Use one plot with 3 subplots, add subplot titles ("A", "A-inverse", "I").You have been provided with the 4-by-4 matrix below:2 7 4 33 4 5 46 8 3 97 9 7 2Write a Java application using NetBeans that reads the above 4-by-4 matrix and displays the sum of all its elements on the major diagonal. output: Enter the matrix elements per each row: 2 7 4 33 4 5 46 8 3 97 9 7 2 Sum of the elements in the major diagonal is 11.0Consider 2 two-dimensional integer arrays, x and y, of the same size (assume 3 by 4). Fill array x with random numbers between 5 and 95. Fill array y with values such that each element of array y is the corresponding value of array x plus the minimum value of array x.For example:
- Use the 5 by 4 array with a first row of [1.,2.,3.,4], second row of [5.,6.,7.,8.], etc from the last question. Call it A. Transpose A (so that the rows become the columns and the columns the rows) and call the result B. Then compute A times B and B times A using matrix multiplication.Q5. Write a program that reads from the user an integer matrix with 10x10, and then rotate that matrix 180° (UPSIDE DOWN) after that, calculate the sum and the average of the main diagonal. Print the matrix after the rotation and the values of the sum and the average of the main diagonal.okl ook sk ook ok o st s ook skl ok sk s ki sl ok sk ok sk s ok ks ok sk ok ook ok 01 (A) Create the following matrix K K= K = 0.25 0.5 0:75 1:0 125 15 1:75 2 4 6 8 10 12 14 25 30 35 40 45 50 55 And answer the following: (a) Create a matrix Ga such that its first row includes the elements of the second column of K followed by the elements of the fifth column of K, the second row of Ga include the first six elements of the second row of K, and the third row of Ga includes the last six elements of the third row of K. (b) Create a matrix Gb in which the first two rows and columns 3 through 6 of K.