Maple1131W9T5 - Linear Algebra

Tuesday, 1 May 2018

8:30 PM

Untitled picture.png Machine generated alternative text:
Use the "<< >>" notation to enter the Maple expression for the matrix 
1 
2 
5 
-3 
6 
4 
in the box below. Do not include a colon (:) or semicolon (;) at the end. (Note that the preview is no use here.) 
This question accepts formulas in Maple syntax. 
Plot Help Preview 

Untitled picture.png Machine generated alternative text:
(a) The Maple function "RowOperation" from the LinearAIgebra package can be used to swap two rows of a Matrix M. 
Which of the following will swap rows 2 and 4 of M? 
(b) The Maple function "RowOperation" from the LinearAIgebra package can be used to mulitply one row of the Matrix M. 
6? 
C) 
C) 
C) 
RowOperation(M,5,6) 
Which of the following will multiply row 5 of M by 
(c) The Maple function "RowOperation" from the LinearAIgebra package can be used to add a multiple of one row of the Matrix M to another. Which of the following will 
replace row 1 of M by row 1 of M plus -6 times row 5 of M? 
C) 
C) 
RowOperation(M, 
11-6) 
51-6)
Untitled picture.png Machine generated alternative text:
(a) The Maple function "RowOperation" from the LinearAIgebra package can be used to swap two rows of a Matrix M. 
Which of the following will swap rows 2 and 4 of M? 
(b) The Maple function "RowOperation" from the LinearAIgebra package can be used to mulitply one row of the Matrix M. 
6? 
C) 
C) 
C) 
RowOperation(M,5,6) 
Which of the following will multiply row 5 of M by 
(c) The Maple function "RowOperation" from the LinearAIgebra package can be used to add a multiple of one row of the Matrix M to another. Which of the following will 
replace row 1 of M by row 1 of M plus -6 times row 5 of M? 
C) 
C) 
RowOperation(M, 
11-6) 
51-6) 

Untitled picture.png Machine generated alternative text:
Let u 
15 
162 
10 
53138 
and v 
216 
279 
470 
(b) The area of the parallelogram spanned by u and v is 
79707 
Note: In the package LinearAlgebra, the Maple comand of the dot product of u and v is U.v 
The Maple comand of the cross product uxv is u &x v 

Untitled picture.png Machine generated alternative text:
Suppose that a 
(a) Enter the projection of a on v , in Maple syntax, in the box below. 
-8 
244 and v 
-30 
3 
46 
-30 
projva 
Note: (i) In Maple syntax, a vector can be entered as < ... > 
(ii) projva 
2 
(iii) In the package LinearAlgebra, the Maple comand of the dot product of u and v is U. v 
(b) Find the shortest distance from the point (—8, 244, —30) to the line x = Av. Enter the exact value of your answer in the box below. 
110
Untitled picture.png Machine generated alternative text:
Suppose that a 
(a) Enter the projection of a on v , in Maple syntax, in the box below. 
-8 
244 and v 
-30 
3 
46 
-30 
projva 
Note: (i) In Maple syntax, a vector can be entered as < ... > 
(ii) projva 
2 
(iii) In the package LinearAlgebra, the Maple comand of the dot product of u and v is U. v 
(b) Find the shortest distance from the point (—8, 244, —30) to the line x = Av. Enter the exact value of your answer in the box below. 
110 

Untitled picture.png Machine generated alternative text:
Enter the matrix 
8 
6 
5 
6 
5 
2 
5 
4 
7 
5 
4 
3 
7 
5 
7 
8 
9 
2 
6 
4 
3 
1 
7 
8 
6 
3 
1 
3 
3 
4 
9 
5 
3 
2 
5 
9 
8 
4 
9 
7 
7 
3 
5 
4 
2 
9 
8 
3 
6 
4 
5 
2 
6 
3 
2 
8 
4 
6 
7 
3 
3 
6 
5 
6 
1 
9 
6 
4 
8 
6 
6 
9 
2 
5 
8 
2 
8 
3 
9 
8 
8 
3 
6 
7 
6 
6 
1 
4 
7 
9 
4 
2 
2 
2 
9 
3 
6 
9 
5 
6 
4 
2 
1 
8 
1 
7 
7 
7 
3 
3 
To prevent typing errors you may copy and paste following Maple command for entering A. 
[Note that Maple does not display the full matrix when it has more than 10 rows or 10 columns. However, you can still work with the matrix using Maple commands.] 
Use Maple to create the vector b that is column 2 from A and the matrix C that is made from columns 1 to 1 and 3 to 11 of A (in the same order as the columns of A). 
Now solve the matrix equation 
Cx=b 
and enter the 8th component of the unique vector solution for x in the box below. (Your answer should be an exact fraction, not a decimal.) 
-5741086/9284127 
This question accepts numbers or formulas. 
Plot Help Switch to Equation Editor Preview 


Untitled picture.png Machine generated alternative text:
3: 1], [6: [2:823.9: 7]: 7]: [5, 4:42 
10 x 11 Matrix 
Data Type: anything 
Storage: rectangular 
Order: Fortran order 
10 x 11 Matrix 
Data Type: anything 
(2) 
Storage: rectangular 
Column(Å, 2); 
SubMatrix(Å, 1 
Order: Fortran 
4 
9 
2 
6 
4 
order 
.10, [1.3 .11]) 
6 
6 
2 
4 
7 36 
1 5 32 
9322 
62 
36 
5728 
52 
89 
(3) 
(4) 
518 84 
4 
9 
6 
2 
6 
4 
9
Untitled picture.png Machine generated alternative text:
3: 1], [6: [2:823.9: 7]: 7]: [5, 4:42 
10 x 11 Matrix 
Data Type: anything 
Storage: rectangular 
Order: Fortran order 
10 x 11 Matrix 
Data Type: anything 
(2) 
Storage: rectangular 
Column(Å, 2); 
SubMatrix(Å, 1 
Order: Fortran 
4 
9 
2 
6 
4 
order 
.10, [1.3 .11]) 
6 
6 
2 
4 
7 36 
1 5 32 
9322 
62 
36 
5728 
52 
89 
(3) 
(4) 
518 84 
4 
9 
6 
2 
6 
4 
9 

Untitled picture.png Machine generated alternative text:
t inearSolve( C, b) 
7249810 
9284127 
3462712 
3094709 
1S33701 
9284127 
9276017 
9284127 
1968190 
(5) 
9284127 
1891688 
9284127 
6100763 
9284127 
5741086 
9284127 
164255 
9284127 
2237401 
9284127
Untitled picture.png Machine generated alternative text:
t inearSolve( C, b) 
7249810 
9284127 
3462712 
3094709 
1S33701 
9284127 
9276017 
9284127 
1968190 
(5) 
9284127 
1891688 
9284127 
6100763 
9284127 
5741086 
9284127 
164255 
9284127 
2237401 
9284127 


 

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