Manipulating Matrices 4.1 Create the following matrices, and use them in the exe
ID: 3906411 • Letter: M
Question
Manipulating Matrices 4.1 Create the following matrices, and use them in the exercises that follow 15 3 22 3 8 5[12 18 5 2] 14 3 82 (a) Create a matrix called d from the third column of matrix a. (b) Combine matrix b and matrix d to create matrix e, a two-dimensional (c) Combine matrix b and matrix d to create matrix f, a one-dimensional (d) Create a matrix g from matrix a and the first three elements of matrix c, (e) Create a matrix h with the first element equal to as, the second ele- matrix with three rows and two columns. matrix with six rows and one column with four rows and three columns. ment equal to n2, and the third element equal to bExplanation / Answer
Given: three matrices a, b and c
solving in MATLAB
a) to create a matrix d from the 3rd column of a
>>a = [15,3,22;3,8,5;14,3,82]
>>d = a(:,3);
o/p: d = [22;5;82]
b)to create e matrix which contains b and d
>>a = [15,3,22;3,8,5;14,3,82];
>>b=[1;5;6];
>>c=[12 18 5 2];
>>d = a(:,3);
>>e = [b,d];
o/p: e = 1 22
5 5
6 82
c) to create f which contains b and d as one column
>>a = [15,3,22;3,8,5;14,3,82];
>>b=[1;5;6];
>>c=[12 18 5 2];
>> f=[b;d];
o/p: f = 1
5
6
22
5
82
d)to create g from a and 1st three elements of c
>>a = [15,3,22;3,8,5;14,3,82];
>>b=[1;5;6];
>>c=[12 18 5 2];
>>g = [a;c(1,1),c(1,2),c(1,3)];
e)to create h matric from a13 , c12, and b21
>>a = [15,3,22;3,8,5;14,3,82];
>>b=[1;5;6];
>>c=[12 18 5 2];
>>h = [a(1,3),c(2,1),b(2,1)];
o/p: h = 22 18 5
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