Change of Basis for a Linear TransformationWrite a function called vecTransform that receives a two-dimensional vector, v defined with respect to the standard Cartesian basis, and then returns a transformed vectorW = T() that is twice as long as and is mirrored about the line line 3y + x = 0Function >1T(V)1 % Test vector v2 v= [10];3Code to call your function >3y + x = 04% Perform Transform5 W vecTransform(v)SaveMy Solutions >C ResetMATLAB DocumentationC Reset

As the name implies, a linear transformation is a function through one vector space to another that…

Change of Basis for a Linear Transformation Write a function called vecTransform that receives a two-dimensional vector, defined with respect to the standard Cartesian basis, and then returns a transformed vector 7 W = T() that is twice as long as and is mirrored about the line line 3y + x = 0 Function > 1 T(0) 1% Test vector v 2 V = [10]; 3 Code to call your function > 3y + x = 0 4% Perform Transform 5 W vecTransform(v) Save C Reset My Solutions > MATLAB Documentation C Reset

Change of Basis for a Linear Transformation Write a function called vecTransform that receives a two-dimensional vector, defined with respect to the standard Cartesian basis, and then returns a transformed vector 7 W = T() that is twice as long as and is mirrored about the line line 3y + x = 0 Function > 1 T(0) 1% Test vector v 2 V = [10]; 3 Code to call your function > 3y + x = 0 4% Perform Transform 5 W vecTransform(v) Save C Reset My Solutions > MATLAB Documentation C Reset

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Define a function ComputeNegations() that takes an input double vector parameter and an output vector parameter passed by reference. The function stores the negative of each input vector element to the output vector. Ex: If the input is: 3 -2.5 6.0 3.0 then the vector has 3 elements (-2.5, 6.0, 3.0) and the output is: 2.5 -6.0 -3.0 3 #include 4 using namespace std; 5 6 * Your code goes here */ 7 8 int main() { 9 int i; 10 11 12 13 14 15 16 17 18 19 20 vector inputVector; int size; double input; vector negated; cin >> size; for (i = 0; i > input; 1} inputVector.push_back(input);
Only question 4 please
Matlab Question
Let M be a matrix whose entries are positive integers. What does the following function do? function v=Summat (M) [m n]=size (M); v=zeros (m,1); for i-1:m for j=1:n if mod (M(i,j),2)=30 v(i)=v(i)+M(i,j); end end end Creates a vector whose ith entry is the sum of the odd elements of the ith column of M Creates a vector whose ith entry is the sum of the even elements of the ith row of M Creates a vector whose ith entry is the sum of the even elements of the ith column of M Creates a vector whose ith entry is the sum of the odd elements of the ith row of M
Problem 2: Projections The formula to project a vector onto a vector is projw(v) = Let's a function called proj which computes the projection v onto w. def proj(v,w): ***Project vector v onto w. v = ... # should be a numpy array w = ... # should be a numpy array # calculate projection result = ... return result [] proj([1,2,3],[1,1,1]) v W w w -W
For input vector x, write a function to check whether there exists exactly 4 elements in x which are divisible by 3.
1.(a)Write a function named LeastCommonMultiple that takes two integers and returns their smallest common multiple. For instance, least common multiple of 10 and 12 is 60. Create two vectors each having 10 random integers from 2 to 100. Apply the function LeastCommonMultiple to all numbers in your vectors to check their element-wise least common multiples using map2_dbl function in purrr package. For instance, if the random numbers are [2 10 25 13 6 12 11 20 4 8] and [7 6 10 3 12 5 4 30 17 16] then the result should be [14 30 50 39 12 60 44 60 68 16]. (b) Read currency.xlsx file and store its content in a data frame or tibble. The excel file contains daily exchange rates of Bank of Canada. (c) In order to have one observation in each row, apply pivot_longer function to the data frame and create Currency column which will have a value FXBRLCAD, FXEURCAD, FXTRYCAD, or FXUSDCAD. (d) Create the following line plot. (e) Separate the date column into year, month, and day columns (f)…
Define a function CheckSum() that takes one integer vector parameter and one integer parameter. The function computes the sum of the vector's elements. Then, the function returns true if the sum is not equal to the integer parameter, and returns false otherwise. Ex: If the input is: 4 -69 40 4 then the vector has 4 elements (-6, 9, 4, 0), and the integer parameter is 4. The output is: True, the sum of all the elements is not equal to 4. 1 #include 2 #include 3 using namespace std; 4 5* Your code goes here */ 6 7 int main() { 8 9 10 11 12 13 14 15 16 17 vector inVector; int size; int input; int i; int x; bool result; // Read the vector's size, and then the vector's elements cin >> size; for (i = 0; i < size; ++i) {
You may insert an element into an arbitrary position inside a vector using an iterator. Write a function, insert(vector, position, value) which inserts value into position inside the vector and returns true. If position is out of range, then return false #include <vector>using namespace std; bool insert(vector<int>& v, size_t pos, int value){ ........ }
Assume that the following vector which consists of numbers between 1 and 9 is given, ? = [1, 1, 1, 3, 3, 4, 5, 6, 7, 9]a. Create a vector with 10 elements which consists of 0s. ? = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]b. Assign the frequency of each number to the related index of E matrix. For instance, frequency of 0s must be put into zeroth index. The final results must be as follows, ? = [0, 3, 0, 2, 1, 1, 1, 1, 0, 1]c. Using for loop, print the summation of the all the elements of matrix E. d. Using for loop, print the multiplication of the all the elements of matrix E. e. Modify your code, so that it can handle vectors with different sizes.
In the following questions you need to import functions from Numpy. For example the computation of matrix determinants can be done with the help of the function det of the library numpy.linalg. Please list the commands required for the function to work The first photo is 3a. The other photo has the remaining questions.
7. If A has n elements and B has m elements(n, m ∈ N),find the number of functions from A to B.