Answer to Question #7767 in Matrix | Tensor Analysis for David James

Question

1 A ??... is a rectangular array of numbers that are enclosed within a bracket .
horizontal
set
vertical
matrix
2 Given a matrix 2 1 1 0 list the numbers of the first row .
[1,0]
[0,1]
[2,1]
[1,1]
3 Given a matrix 1 4 -3 3 0 1 4 -1 2 list the numbers of the first row .
[4 0 -1]
[1 3 4]
[3 0 1]
[4 0 2]
4 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n. Then is called?..
a square matrix
a column
a row
a matrix
5 What is this matrix called : 0 0 0 0
diagonal matrix
proper matrix
zero matrix
square matrix
6 Consider a 3x3 square matrix given as 2 0 0 0 2 0 0 0 1 . What is the element in a22
2
0
1
0,0
7 What is another name given to an identity matrix
unit matrix
diagonal matrix
special matrix
triangular matrix
8 Let A be a nxn square matrix . A is a symmetric matrix if A equal to ??.
AT
B
C
4BT
9 Solve the following : a+b+37 = 6, 2a+2b-32 = 9, a+2b-62= -4 .
12,-7,31
12,7,-7
10,5,9
7,-5,21
10 How is the determinant of A written
|A|
[A]
{A}
A

Answer 1

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