def create_identity_matrix(n): """ Create a nxn sized identity matrix. The return type should be a list or numpy ndarray For more info: https://en.wikipedia.org/wiki/Identity_matrix For this exercise you can use nested loops to construct your 2d array or find an applicable function in the numpy library. :param n: :return: nxn ndarray where the diagonal elements are 1 and nondiagonal elements are 0 """ pass
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def create_identity_matrix(n):
"""
Create a nxn sized identity matrix. The return type should be a list or numpy ndarray
For more info: https://en.wikipedia.org/wiki/Identity_matrix
For this exercise you can use nested loops to construct your 2d array or find an applicable function in the numpy library.
:param n:
:return: nxn ndarray where the diagonal elements are 1 and nondiagonal elements are 0
"""
pass
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- Class name: SURNAME_MATRIX Data fields: two(2) q xr arrays where: q = no. of characters of your first name. If q <= 5 then q = q * 2. r= no. characters of your surname. if r<= 5 then r=r*2. Methods: Constructor: initialize two(2) arrays. Value of each element = no. of characters of your fullname * 2.5. fillA1() - populate 2d-Array1 with random numbers. (200 max). seed - default fillA2() - populate 2d-Array2 with random numbers. (5000 max). seed - default addSubA1A2(int flag) - add or subtract the two matrices and display the resultant matrix (size is q xralso). (note: invoke first fillA1() and fillA2()) if flag is nonzero add matrices else subtract matrices. e.g. addSubA1A2(3) <-- add arrays, addSubA1A2(0) <-- subtract arrays toString() - displays the current date once and your fullname k times where kis a random number < 8. Filename: SURNAME_SSE2.java In main(): Create two(2) objects using array of objects and use ALL the methods for each object.Vectors Write a for loop to print all NUM_VALS elements of vector courseGrades, following each with a space (including the last). Print forwards, then backwards. End with newline. Ex: If courseGrades = {7, 9, 11, 10}, print:7 9 11 10 10 11 9 7 Hint: Use two for loops. Second loop starts with i = courseGrades.size() - 1 (Notes)Note: These activities may test code with different test values. This activity will perform two tests, both with a 4-element vector (vector<int> courseGrades(4)). See "How to Use zyBooks".Also note: If the submitted code tries to access an invalid vector element, such as courseGrades.at(9) for a 4-element vector, the test may generate strange results. Or the test may crash and report "Program end never reached", in which case the system doesn't print the test case that caused the reported message. #include <iostream>#include <vector>using namespace std; int main() {const int NUM_VALS = 4;vector<int> courseGrades(NUM_VALS);int i; for (i = 0;…Code to :::Implplement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of the array and returns the snap_id: the total number of times we called snap() minus 1. int get(index, snap_id) returns the value at the given index, at the time we took the snapshot with the given snap_id Example 1: Input: ["SnapshotArray","set","snap","set","get"] [[3],[0,5],[],[0,6],[0,0]] Output: [null,null,0,null,5] Explanation: SnapshotArray snapshotArr = new SnapshotArray(3); // set the length to be 3 snapshotArr.set(0,5); // Set array[0] = 5 snapshotArr.snap(); // Take a snapshot, return snap_id = 0 snapshotArr.set(0,6); snapshotArr.get(0,0); // Get the value of array[0] with snap_id = 0, return 5..
- javascript Define a function, myIncludes, that accepts two parameters: an array and a searchValue. myIncludes should return true if the searchValue is an element in the array. Otherwise, myIncludes should return false. example myIncludes([10, 20, 30], 20); // => true myIncludes(['apples', 'bananas', 'citrus'], 'pears'); // => falseion C Lons Employee -id: int -name String - dob : Date -staff : ArrayList +setid(int): void +getld() : int +setName(String): void +setDob(Date) : void +getDob(): Date +addStaff(Employee) : void +getStaff() : ArrayListQ_8. Decription:- Given an array of integers, write a PHP function to find the maximum element in the array. PHP Function Signature: phpCopy code function findMaxElement($arr) { // Your code here } Example: Input: [10, 4, 56, 32, 7] Output: 56 You can now implement the findMaxElement function to solve this problems. .
- def sum_threshold_2d_array(array, threshold):"""Iterate through each element of the 2d array using nested loops.Sum up the values that are greater than a threshold value given as an input parameter.:param array: a 2d array:param threshold: a threshold value (valid int or float):return: sum total of values above the threshold"""passFunctions with 2D Arrays in Java Write a function named displayElements that takes a two-dimensional array, the size of its rows and columns, then prints every element of a two-dimensional array. Separate every row by a new line and every column by a space. In the main function, call the displayElements function and pass in the required parameters. Output 1 2 3 4 5 6 7 8 9JAVA CODE PLEASE Functions with 2D Arrays Quiz by CodeChum Admin Write a program that asks the user for the row and column size of a 2D array and asks the user for the elements. Write the total of the sum of each row multiplied with the row number. Example: 1 2 3 -> (1+2+3) * 1 = 6 4 5 6 -> (4+5+6) * 2 = 30 7 8 9 -> (7+8+9) * 3 = 72 total: 108 Input 1. One line containing an integer for the number of rows 2. One line containing an integer for the number of columns 3. Multiple lines containing an integer for every element of the array for each line Output Row·size:·3 Column·size:·3 R1C1:·1 R1C2:·2 R1C3:·3 R2C1:·4 R2C2:·5 R2C3:·6 R3C1:·7 R3C2:·8 R3C3:·9 1·2·3 4·5·6 7·8·9
- Matrix Multiplication• Write a multiplication function that accepts two 2D numpy arrays,and returns the product of the two. This function should test that thearrays are compatible (recall that the number of columns in the firstmatrix must equal the number of rows in the second matrix). Thisfunction should test the array sizes before attempting themultiplication. If the arrays are not compatible, the function shouldreturn -1. solve in python* dirr 99 1. which consists of one row and several columns or (1xn) elements size. * index array row vector 2. Array elements in columns are represented by . space 3. if w = [147 10 13], w is. . * both row vector column vector ->Add each element in origList with the corresponding value in offsetAmount. Print each sum followed by a space. Ex: If origList = {40, 50, 60, 70} and offsetAmount = {5, 7, 3, 0}, print: 45 57 63 70 #include <iostream>#include <vector>using namespace std; int main() {const int NUM_VALS = 4;vector<int> origList(NUM_VALS);vector<int> offsetAmount(NUM_VALS);unsigned int i; for (i = 0; i < origList.size(); ++i) {cin >> origList.at(i);} for (i = 0; i < offsetAmount.size(); ++i) {cin >> offsetAmount.at(i);} cout << endl; return 0;} Please help me with this problem using c++.