1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ANEK [815]
3 years ago
5

(14 points) Consider the Matrix, M = 16 2 3 13 5 11 10 8 9 7 6 12 4 14 15 1 . Using the index operations write MATLAB statements

to retrieve the following. (a) The value in the first row and second column(ie. 2) (b) The value in the third row and third column (ie. 6) (c) All the elements in the first row (d) All the elements in the second column (e) All the elements in the first 2 rows (row 1 & 2) (f) All the elements in the last 2 columns (columns 3 & 4) (g) The elements 3 13 10 8
Computers and Technology
1 answer:
Sonja [21]3 years ago
8 0

Answer:

The Matlab commands for the given index operations and corresponding outputs are given below.

Explanation:

clc   % is used to clear the command window of the Matlab

clear all   % is used to clear the variables stored in Matlab workspace

% We are given a 4x4 matrix

Matlab command:

M = [16 2 3 13; 5 11 10 8; 9 7 6 12; 4 14 15 1]

output:

M =

   16     2     3    13

    5    11    10     8

    9     7     6    12

    4    14    15     1

(a) The value in the first row and second column (ie. 2)

Matlab command:

a = M(1,2)

% where a = Matrix(row_1,column_2)

output:

a =

    2

(b) The value in the third row and third column (ie. 6)

Matlab command:

b = M(3,3)

% where b = Matrix(row_3,column_3)

output:

b =

     6  

(c) All the elements in the first row

Matlab command:

c = M(1,:)

% where c = Matrix(row_1,:)

output:

c =

   16     2     3    13

(d) All the elements in the second column

Matlab command:

d = M(:,2)

% where d = Matrix(:,column_2)

output:

d =

    2

   11

    7

   14

(e) All the elements in the first 2 rows (row 1 & 2)

Matlab command:

e = M([1,2],:)

% where e = Matrix([row_1,row_2],:)

output:

e =

   16     2     3    13

    5    11    10     8  

(f) All the elements in the last 2 columns (columns 3 & 4)

Matlab command:

f = M(:,[3,4])

% where f= Matrix(:,[column_3,column_4])

output:

f =  

    3    13

   10     8

    6    12

   15     1

(g) The elements 3 13 10 8

Matlab command:

g = [M(1,3) M(1,4); M(2,3) M(2,4)]

% where g = Matrix(row_1,column_3) M(row_1,column_4); M(row_2,column_3), M(row_2,column_4)

output:

g =

    3    13

   10     8

You might be interested in
Given parameters b and h which stand for the base and the height of an isosceles triangle (i.e., a triangle that has two equal s
schepotkina [342]

Answer:

The area of the triangle is calculated as thus:

Area = 0.5 * b * h

To calculate the perimeter of the triangle, the measurement of the slant height has to be derived;

Let s represent the slant height;

Dividing the triangle into 2 gives a right angled triangle;

The slant height, s is calculated using Pythagoras theorem as thus

s = \sqrt{b^2 + h^2}

The perimeter of the triangle is then calculated as thus;

Perimeter = s + s + b

Perimeter = \sqrt{b^2 + h^2} + \sqrt{b^2 + h^2} +b

Perimeter = 2\sqrt{b^2 + h^2} + b

For the volume of the cone,

when the triangle is spin, the base of the triangle forms the diameter of the cone;

Volume = \frac{1}{3} \pi * r^2 * h

Where r = \frac{1}{2} * diameter

So, r = \frac{1}{2}b

So, Volume = \frac{1}{3} \pi * (\frac{b}{2})^2 * h

Base on the above illustrations, the program is as follows;

#include<iostream>

#include<cmath>

using namespace std;

void CalcArea(double b, double h)

{

//Calculate Area

double Area = 0.5 * b * h;

//Print Area

cout<<"Area = "<<Area<<endl;

}

void CalcPerimeter(double b, double h)

{

//Calculate Perimeter

double Perimeter = 2 * sqrt(pow(h,2)+pow((0.5 * b),2)) + b;

//Print Perimeter

cout<<"Perimeter = "<<Perimeter<<endl;

}

void CalcVolume(double b, double h)

{

//Calculate Volume

double Volume = (1.0/3.0) * (22.0/7.0) * pow((0.5 * b),2) * h;

//Print Volume

cout<<"Volume = "<<Volume<<endl;

}

int main()

{

double b, h;

//Prompt User for input

cout<<"Base: ";

cin>>b;

cout<<"Height: ";

cin>>h;

//Call CalcVolume function

CalcVolume(b,h);

//Call CalcArea function

CalcArea(b,h);

//Call CalcPerimeter function

CalcPerimeter(b,h);

 

return 0;

}

3 0
3 years ago
How to transfer photos from iphone to iphone?
STALIN [3.7K]
If you have icloud then you can transfer them.
7 0
3 years ago
Read 2 more answers
Define a public static method named s2f that takes two String arguments, the name of a file and some text. The method creates th
frez [133]

Answer:

Java solution (because only major programming language that has public static methods)

(import java.io.* before hand)

public static boolean s2f(String fileName, String text){

   try{

       PrintWriter out = new PrintWriter(new File(fileName));

       out.println(text);

       out.close();

       return true;

   }

   catch(Exception e){

       return false;

   }

}

6 0
3 years ago
In 1964 in London, Ontario one could buy a chili-dog and a root beer for $1.25, today the same chili dog and root beer cost $5.0
Marta_Voda [28]

Answer:

3% inflation rise. No correct cpi option

Explanation:

Consumer Price Index(CPI) is calculated by the Bureau of Economic Analysis and Statistics of a country monthly and annually.

Consumer Price Index(CPI) is used for measuring the changes in the price level of consumer goods and services purchased by households.

Calculating the consumer price index; price in 1964= $1.25, today price= $5.0.

Therefore, consumer price index= Price in today- price in 1964÷ price in 1964,.

Consumer Price index(CPI)= $(5-1.25)/1.25 = 3.75/1.25 = 3 Percent price inflation rise.

For the first cpi; 112-80/80= 0.4 percent( not equal to the 3 Percent inflation rise).

For the second cpi: 141.6-60/60= 1.36 Percent inflation rise(not equal to the 3 Percent inflation rise).

For the third CPI: 126.4-75/75 =0.68 percent inflation rise[not equal to the 3 Percent inflation rise].

For the third CPI: 108.5-90/90=0.21 percent inflation rise(not equal to 3 Percent inflation rise)

Therefore, none of the options are right.

5 0
3 years ago
In powerpoint a point is _____ of an inch in height.
USPshnik [31]
 a fraction

I think it is correct.

Hopefully it helps.
6 0
3 years ago
Other questions:
  • While a hard drive is running, even a slight bump against the computer may cause the
    9·2 answers
  • Which devices are managed through device management?
    15·2 answers
  • What is output by the following?<br><br>print (type("95"))
    13·1 answer
  • A URL suffix is called a domain name.
    11·1 answer
  • Mrs. Jackson wrote a newsletter to the customers of her housecleaning business that included some organizational tips they could
    8·2 answers
  • You are hired to train a group of new users to become technicians. One of your lessons is on how to construct Cat5 and Cat6 Ethe
    10·1 answer
  • State the difference between = and ==
    9·1 answer
  • Which country was the first in the world to launch a mass media campaign in response to population growth?
    14·1 answer
  • Explain the pros and cons of touchscreen, non-touchscreen, and hybrid devices:
    12·1 answer
  • _____ allows information to be viewed at a glance without needing to address the individual elements of the information separate
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!