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- (a) Write a function matrix_multiply(mat1, mat2) that takes two matrices and returns the result of the matrix multiplication between mat1 and mat2. If the two matrices are not compatible with multiplication, then None should be returned. (b) Write a function print_sums(list1, list2) that takes two equal-length lists of numbers and prints all the sums of the corresponding elements. Thus the first line is the sum of the first element of list1 and the first element of list2, the second line is the sum of the second elements, and so on.Write a R program to create Vector Operations (Retrive, add, delete, concatenate two vectors etc.)In this c langauge program, please change the code but same output. Source Code: /** * C program to multiply two matrix using pointers */ #include <stdio.h> #define ROW 100#define COL 100 /* Function declarations */void matrixInput(int mat[][COL],int,int);void matrixPrint(int mat[][COL],int,int);void matrixMultiply(int mat1[][COL], int mat2[][COL], int res[][COL],int,int); int main(){ int mat1[ROW][COL]; int mat2[ROW][COL]; int product[ROW][COL]; int r,c; printf("Enter rows of the matrices: "); scanf("%d",&r); printf("Enter Column of the matrices: "); scanf("%d",&c); /* * Input elements in matrices. */ printf("Enter elements in first matrix of size %dx%d\n", r, c); matrixInput(mat1,r,c); printf("Enter elements in second matrix of size %dx%d\n", r, c); matrixInput(mat2,r,c); // Call function to multiply both matrices matrixMultiply(mat1, mat2, product,r,c); // Print first matrix printf("First Matrix is:…
- Can this code make the same but without vector#include <bits/stdc++.h>#define MAX 5using namespace std; // Function returns true if the// move taken is valid else// it will return false.bool isSafe(int row, int col, int m[][MAX],int n, bool visited[][MAX]){if (row == -1 || row == n || col == -1 ||col == n || visited[row][col]|| m[row][col] == 0)return false; return true;} // Function to print all the possible// paths from (0, 0) to (n-1, n-1).void printPathUtil(int row, int col, int m[][MAX],int n, string& path, vector<string>&possiblePaths, bool visited[][MAX]){// This will check the initial point// (i.e. (0, 0)) to start the paths.if (row == -1 || row == n || col == -1|| col == n || visited[row][col]|| m[row][col] == 0)return; // If reach the last cell (n-1, n-1)// then store the path and returnif (row == n - 1 && col == n - 1) {possiblePaths.push_back(path);return;} // Mark the cell as visitedvisited[row][col] = true; // Try for all the 4 directions…Write C++ program, you will work on inserting, searching and how many comparisons are needed for that searching on a 5X5 board. Complete the countingNumOfComparison() function that counts the number of comparisons that are done in binary search. We don't use a board array in this problem. The function countingNumOfComparison() gets candidateWord and string vector dictionary as parameters and doing binary search. You have to fill up the code in which how many comparisons are needed for searching candidateWord in dictionary. Sample: Enter the word :world The item is found and the number of comparisons : 3Q_8. Given an array of integers, write a PHP function to find the maximum element in the array. PHP Function Signature: phpCopy code function findMaxElement($arr) { // Your code here } Example: Input: [10, 4, 56, 32, 7] Output: 56 You can now implement the findMaxElement function to solve this problem. Let answer. Answer asap. . !.
- calculate number of operations in this algorithm #include <string.h> #include <stdlib.h> #include <stdio.h> #include <omp.h> const char* dgemv_desc = "OpenMP dgemv."; /* * This routine performs a dgemv operation * Y := A * X + Y * where A is n-by-n matrix stored in row-major format, and X and Y are n by 1 vectors. * On exit, A and X maintain their input values. */ void my_dgemv(int n, double* A, double* x, double* y) { #pragma omp parallel { int nthreads = omp_get_num_threads(); int thread_id = omp_get_thread_num(); printf("Hello world: thread %d of %d checking in. \n", thread_id, nthreads); } // insert your dgemv code here. you may need to create additional parallel regions, // and you may want to comment out the above parallel code block that prints out // nthreads and thread_id so as to not taint your timings #pragma omp parallel for // insert your code here: implementation of basic matrix multiply…(8). Given an array of integers, write a PHP function to find the maximum element in the array. PHP Function Signature: phpCopy code function findMaxElement($arr) { // Your code here } Example: Input: [10, 4, 56, 32, 7] Output: 56 You can now implement the findMaxElement function to solve this problem. Let answer.Question 15 ka R Programming - 1) Without using the dplyr package explain the various ways of subsetting rows and columns in a data frame in base R. 2) Write a for loop with: - if else conditions in it. - assign function - which makes use of empty vector or empty lists Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line
- problem 2 please Ans to problem 1 is #include <bits/stdc++.h> using namespace std; vector <int> targetSum(vector <int> &a , int &target) { int n = a.size(); for(int i = 0 ; i < n - 1 ; i++) for(int j = i + 1 ; j < n ; j++) { if(a[i] + a[j] == target) return {i + 1 , j + 1}; } return {}; } int main() { vector <int> a = {1 , 4 , 5 , 11 , 12}; int target = 9; for(int &x : targetSum(a , target)) cout << x << " "; cout << '\n'; }Solve the Problem in C++ (Sum elements column by columns) Write a function that returns the sum of all the elements in a specified column in a matrix using the following header: const int SIZE = 4; double sumColumn(const double m[][SIZE], int rowSize, int columnIndex); Write a test program that reads a 3-by-4 matrix and displays the sum of each column. Sample Run Enter a 3-by-4 matrix row by row: 1.5 2 3 4 5.5 6 7 8 9.5 1 3 1 Sum of the elements at column 0 is 16.5 Sum of the elements at column 1 is 9 Sum of the elements at column 2 is 13 Sum of the elements at column 3 is 13in c++ please Write a function called Replace All that cerpts two parameters a matrix of 100 elements of type inter and an interval y. The function must - Replace every positive matrix element by the values +5and Replace every negative matrix element by the value - 5 and - Replace every mero try the value y.