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Linear Algebra Examples
Popular Problems
Linear Algebra
Find the 5x5 Identity Matrix 5
5
5
Step 1
The
identity matrix
or
unit
matrix
of size
5
5
is the
5
×
5
5
×
5
square
matrix
with ones on the main
diagonal
and
zeros
elsewhere.
⎡
⎢ ⎢ ⎢ ⎢ ⎢ ⎢
⎣
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
⎤
⎥ ⎥ ⎥ ⎥ ⎥ ⎥
⎦
[
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
]
Enter a problem...
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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