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ENGR 231 Fall 2011
Assignment 4
1
ENGR 231: LINEAR ENGINEERING SYSTEMS
Fall 201112
ASSIGNMENT 4
Due October 2528, 2011
COVER SHEET
NAME: ___________________________________________
SECTTION: _______________________________________
GRADE (to be entered by grader): ______________________
Recitation problems
. You may be required so solve one of the following
problems at the board during recitation. These problems will be discussed
during the
second week
of the course.
R1
. Section 2.1, Problem 2.
Compute the following, if the expression is defined.
A
+ 2
B,
3
C –
3
E,
DC,
EB
R2
. Section 2.1, problem 12.
A
=
3
!
6
!
1
2
"
#
$
%
'
Construct a 2x2 matrix
B
such that
AB
is the zero matrix.
Use different nonzero columns for
B
.
R3
. Use the inverse to solve the following set of equations:
R4
. Suppose
P
and
Q
are invertible and
A
=
PBQ
1
. Solve for
B
in terms of
A
,
P
, and
Q
.
R5
. Mark each statement as True or False. Justify your answer.
a. If
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This note was uploaded on 11/11/2011 for the course ENGR 231 taught by Professor Olehtretiak during the Fall '10 term at Drexel.
 Fall '10
 OlehTretiak

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