For the given allocation and max below, what is the need matrix? Allocation A 3 3 2 R S 2 C 1 1 1 D 4 1 0 2 5 3 3 4 6 Max A B 5 3 2 D ए
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- Given R ( A int, B int, C int ). Consider this select statement: Select R1.A, R1.B, R1.C from R R1 join R R2 on R1.A = R2.B where R1.A mod 2 = 0 and R2.B = R2.C Show the EXPLAIN PLAN for the table and statement Identify one or more indexes that might improve performance. Show the EXPLAIN PLAN and describe if you have made improvements in the execution.In elementwise multiplication A.*B each value in one matrix is paired up with a buddy value in the other and they are multiplied together.In matrix multiplication A*B each row in matrix A is dot-producted with each column in matrix B.The value in the upper left corner of the matrix C is the same as which of the following?C = A*B; options: A(1,1) * B(1,1) dot(A(1,:),B(:,1)) A = [3 1; 5 2];B = [1 -1; 4 0];C = A*Bthe value in the upper left corner of the matrix C is which of the following? % Starting with this code:a = [1 2 3]b = [-1 0 1]% All of the following are identical, except which one? Question 4 options: dot(a,b) a*transpose(b) b*transpose(a) sum(a.*b) They are all identical Fill in the blank to calculate the dot product of amounts and costs.amounts = [2 1 2 5 1]costs = [3.5 1.25 4.25 1.55 3.15]____________ Question 5 options:…Hello, I am having an error and cannot figure out how to solve this question. Could someone please assist? Please be advised, I am using PostgreSQL as that is what was used in class. Thus, I must use PLPGSQL Code CREATE OR REPLACE FUNCTION Moreno_03_bankTriggerFunction()RETURNS TRIGGERLANGUAGE PLPGSQLAS$$CREATE TRIGGER Wise_12_bankTriggerAFTER DELETE ON accountFOR EACH ROW EXECUTE PROCEDURE Moreno_15_bankTriggerFunction();
- Given code that reads user IDs (until -1), complete the quicksort() and partition() functions to sort the IDs in ascending order using the Quicksort algorithm. Increment the global variable num_calls in quicksort() to keep track of how many times quicksort() is called. The given code outputs num_calls followed by the sorted IDs. Ex: If the input is: kaylasimms julia myron1994 kaylajones -1 the output is: 7 julia kaylajones kaylasimms myron1994 I am having issues getting the count correct. What should I be looking at to adjust the count?When is a binary search best applied?Fill in the tables using scheduling algorithms mentioned. Use priority 1 as lowest and 4 highest
- 1. Given the following hash function for storing records on courses:f(title) = ASCII value of first character in the title - 64Example: f(Biology I) = 66 – 65 = 1 (ASCII value of B is 66) a. Explain why this is or is not a good hash function.b. What improvement(s) could be made? 2. Assume that the hash function is: f(key) = key % Ba. What is the problem if B is too small?b. What is the problem if B is too large?c. What is the big-0 run-time if there are n records?d. What does the run-time for a find, insert, and delete each approach as B gets verylarge?Modify pipe4.cpp so that it accepts a message from the keyboard and sends it to pipe5. //pipe4.cpp (data producer) #include <unistd.h> #include <stdlib.h> #include <stdio.h> #include <string.h> int main() { int data_processed; int file_pipes[2]; const char some_data[] = "123"; char buffer[BUFSIZ + 1]; pid_t fork_result; memset(buffer, '\0', sizeof(buffer)); if (pipe(file_pipes) == 0) { //creates pipe fork_result = fork(); if (fork_result == (pid_t)-1) { //fork fails fprintf(stderr, "Fork failure"); exit(EXIT_FAILURE); } if (fork_result == 0) { //child sprintf(buffer, "%d", file_pipes[0]); (void)execl("pipe5", "pipe5", buffer, (char *)0); exit(EXIT_FAILURE); } else { //parent data_processed = write(file_pipes[1], some_data, strlen(some_data));…Read on the functions and operations of numpy and pandas. Load the given data set into Google Colab python 1. In USD, find the average salary of Data Scientists as well as the standard deviation. 2. List each unique Job Title 3. For each unique Job Title, find their average salary (USD) and standard deviations. 4. Download the file as .ipynb to pass it on this activity file: https://uc-bcf.instructure.com/courses/28339/files/5680123/download?download_frd=1&verifier=fXym8nGyMe7CmvKYy7QmRDfcunF4DZwhuqakH1rL