Please use MATLAB a) Create a matrix named A having the following values:12 -1 -46-6 5-27A =-1 -4 85-825-111b) Show how to change the rightmost column (4th column) of A to [1 2 3 4]. ¯¯¯¯c) Show how to delete the last row in A.d) After all the operations from a) and b), the matrix now becomes:12 -1-4 1A=-65-22-1 -4 8 3Using a single MATLAB statement, show how to determine the total number of integersthat are in the inclusive range from -5 to 8 and are divisible by 4 in A.

EXPLANATION: a) This code creates a 4x4 matrix named A with the given values. Each row represents…

Answered: a) Create a matrix named A having the…

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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16. Get the sum of all the values in matrix In [ ]: In [28]: # DON'T WRITE HERE Out[28]: 1275 17. Get the standard deviation of the values in matrix In [29]: # Code Here In [30]: # DON'T WRITE HERE Out[30]: 14.430869689661812
In [20]: NumPy Operations In [29]: 16. Get the sum of all the values in matrix Sum of all the elements is 21 In [28]: # DON'T WRITE HERE Out [28]: 1275 17. Get the standard deviation of the values in matrix In [30] # DON'T WRITE HERE Out [30]: 14.430869689661812
* When the command (max) is applied to a two dimensional matrix it evaluates the maximum number of .all matrix elements True O False O
Q3/ (a) Lets C is a 3x3 matrix, find out TWO ONLY of the following: 1. Sum of the first column. 2 The results of multiply C matrix by 3. 3. The determinate of C matrix. (b) Write a Cprogram to enter different four-integer numbers into One -Dimensional Array, print its elements, and find sum of the results.
ZIV @ Expert Q&A o Write a matrix 7*3 named K with double numbers and save on it: The first column: rows of the odd index, random numbers are generated from the device and the rows of the even index is enter by the user. The second column: the natural logarithm of the number of the first column. The third column: the square root of the number of the first column. o Print the element of a matrix. C++ language ٨:٤٣ ص الاثنين 1 يونيو Done
link to MINST code: https://www.dropbox.com/s/i21pedejv0sknnq/MINST.pdf?dl=0 1) Add a confusion matrix to the MNIST code example from the link provided. Set the epochs parameter to 5. Explain which entry of the matrix yields the number of ones (the number 1) that are falsely recognized as eights (the number 8). (If you use indices in your explanation, use the Python index notation, i.e., start at zero.) Run your code a few times. Is the confusion matrix always the same? Briefly explain.
When you have a matrix below, how do you print this as a matrix? Example) mat = 1 2 3 2 3 4 When you do the following for-loop, what do you get? Cumulative addition of each element in either row or column direction.
A: If x=[26 12; 15 6 3; 10 11 1], then a) replace the first row elements of matrix x with its average value. b) reshape this matrix into row vector.
Complete the function that adds 3 matrices together. The matrices will be numpy type and of the same dimension of 3 x 3. There are several ways to do this, any correct answer will be accepted. [ ] # add the matrices a,b,c together, these will have #been passed to the function # as standard numpy matrices. Rememeber if you #are unsure, just print the # elements to see how to access the matrix values. # there are several ways to do this, anyway #you do this is fine import numpy as np def add_matrices (a,b,c): # initiate the matrix based on the assumption #that the matrix is 3x3. matrix = np.zeros([3,3]) # YOUR CODE HERE return matrix ## Check your code below using print command ## Random matrices are created here for checking ##your function a = np.array([[3,2,1],[1,1,1],[1,1,1]]) b = C = np.array([[3,2,1], [2,2,2], [2,2,2]]) np.array([[3,3,3], [3,3,3], [3,3,3]])
Ql: write a program to read the elements of a two dimensional square matrix which consists of 4 rows and 4 columns then convert it to the following matrix. 1333 5133 5 5 13 5 5 5 1
3. Create matrices with zeros, eye, and ones: Create the following matri- ces with the help of the matrix generation functions zeros, eye, and ones. See the on-line help on these functions, if required (e.g., help eye). 5 0 0 0 0 0 3 F = 3 3. D = E = 050 3 0.
To print the elements up the secondary diagonal of matrix. You must write this if statementis : if (i+j<2) *

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