quickly please 32)What is the command you should use tohorizontally join matrices W and R, respectively?33)What is the command you should use tovertically join matrices W and R, respectively?34)What is the result of using the command R(:)?35)What is the result of using M ( :,1:2:3)?36)Create aby 5 magicatric and named it MAG.37)Find the sum of the rows, columns, maindiagonal, and secondary diagonal. What do youobserve? 12)What command can weuse to get rid of all ofthe variables at once?13)Create a 3 by 2 array (matrix) of zeros.(Namethe matrix by your name such as Haifa)14)Create the row vector of even numbers from 1 to20, Use the colon operator.15)Create aalar ofanddmber.16)Create a 4 by 6 matrix M and fill it with thefol M =9.9.8712246.8101213579.117 22881017)Set the 2 by 2 submatrix in the bottom leftwith ones then show M again on the screen.18)Create a 4 by 6 matrix FF =123124456.10 10 10 10 10 10-2-8 -1 2 8119)Add M to F.20)Multiply matrix F with scalar 2 and print the(note that ans is the default in matlab).answer21)Multiply matrix M with matrix F (i.e. M * F)and show the result if it works.22)Multiply matrix each element of matrix M withthe corresponding element in matrix F and show the result. What did we call this type ofmultiplication23)Delete the first four rows in matrix M.24)Delete the last column in matrix F25)Find the Transpose of matrix F26)Create a vector named a and set its value to100 200 300 400 500 600 700 800 900 1000. (note usethe colon operator)27)Print the fifth, sixth, and seventh elements ofa via indexing matrix a with the colon operator.28)Give an example to illustrate the differencebetween the linspace function and the colonoperator.29)A = [2; 7; 4] write this Matlab command in adifferent way.30)Create a 4 by 3 matrix W and fill it with thefol M=12714465426231)Create a4 by 3 matrix R and fill it with thefol M=343114652165721239. Homework #1Scientific Computing (501125-2)Spring 2021Due: Saturday February 20, 2021, 11:59 pm viaBlackboard1) What is Matlab?2) What are the five main parts of which the Matlabsystem consist?3) What is the command that writes a message to thescreen?4) Define a variable named x and set it equal to one.5) Define a variable y and Initialize its value totwice that of x6) Increase the value of variable x by 17) Declare another variable z which is equal to 2times the current value of x8) What is the difference between the command who andthe command whos?9) How to use the command whos to get informationabout certain variables? For example, use thecommand whos to get more information aboutvariables x and y.10)What command can you use to get rid of acertain variable?11)What is the benefit of using semicolon ; at theend of a command line in Matlab?

As per company guidelines we are suppose to answer only 1 question, however all the questions which…

Answered: 1) What is Matlab? 2) What are the five…

1) What is Matlab? 2) What are the five main parts of which the Matlab system consist? 3) What is the command that writes a message to the screen?

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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Question

quickly please

32)
What is the command you should use to
horizontally join matrices W and R, respectively?
33)
What is the command you should use to
vertically join matrices W and R, respectively?
34)
What is the result of using the command R(:)?
35)
What is the result of using M ( :,1:2:3)?
36)
Create a
by 5 magic
atric and named it MAG.
37)
Find the sum of the rows, columns, main
diagonal, and secondary diagonal. What do you
observe?

12)
What command can we
use to get rid of all of
the variables at once?
13)
Create a 3 by 2 array (matrix) of zeros.
(Name
the matrix by your name such as Haifa)
14)
Create the row vector of even numbers from 1 to
20, Use the colon operator.
15)
Create a
alar of
an
dd
mber.
16)
Create a 4 by 6 matrix M and fill it with the
fol M =
9.
9.
8
7
1
2
2
4
6.
8
10
12
1
3
5
7
9.
11
7 2
2
8
8
10
17)
Set the 2 by 2 submatrix in the bottom left
with ones then show M again on the screen.
18)
Create a 4 by 6 matrix F
F =
1
2
3
1
2
4
4
5
6.
10 10 10 10 10 10
-2
-8 -1 2 8
1
19)
Add M to F.
20)
Multiply matrix F with scalar 2 and print the
(note that ans is the default in matlab).
answer
21)
Multiply matrix M with matrix F (i.e. M * F)
and show the result if it works.
22)
Multiply matrix each element of matrix M with
the corresponding element in matrix F and show the

result. What did we call this type of
multiplication
23)
Delete the first four rows in matrix M.
24)
Delete the last column in matrix F
25)
Find the Transpose of matrix F
26)
Create a vector named a and set its value to
100 200 300 400 500 600 700 800 900 1000. (note use
the colon operator)
27)
Print the fifth, sixth, and seventh elements of
a via indexing matrix a with the colon operator.
28)
Give an example to illustrate the difference
between the linspace function and the colon
operator.
29)
A = [2; 7; 4] write this Matlab command in a
different way.
30)
Create a 4 by 3 matrix W and fill it with the
fol M=
12
71
44
65
4
2
62
31)
Create a
4 by 3 matrix R and fill it with the
fol M=
3
43
11
4
65
21
65
7
21
23
9.

Homework #1
Scientific Computing (501125-2)
Spring 2021
Due: Saturday February 20, 2021, 11:59 pm via
Blackboard
1) What is Matlab?
2) What are the five main parts of which the Matlab
system consist?
3) What is the command that writes a message to the
screen?
4) Define a variable named x and set it equal to one.
5) Define a variable y and Initialize its value to
twice that of x
6) Increase the value of variable x by 1
7) Declare another variable z which is equal to 2
times the current value of x
8) What is the difference between the command who and
the command whos?
9) How to use the command whos to get information
about certain variables? For example, use the
command whos to get more information about
variables x and y.
10)
What command can you use to get rid of a
certain variable?
11)
What is the benefit of using semicolon ; at the
end of a command line in Matlab?

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2:51 Time left 1:08:23 Question 8 Not yet answered Marked out of 2.00 P Flag question Which of the following will not increment the variable x value by one? A. X=+1 О В. Х++ OC. ++x D. x += 1 Previous page Next page Previous activity 1 ATTENDANCE testl Jump to. II