Data Matrix :
Syntax :
>> a=[4 2 5; 5 -2 7; 8 1 9]
a =
4 2
5
5 -2
7
8 1
9
>> b=[2 -9 6; 4 7 2; 12 5 -8]
b
=
2 -9
6
4 7
2
Syntax:
>> c=a+b
c =
6 -7 11
9 5 9
20 6 1
2. Sample: d=a-b
Syntax:
>> d=a-b
d =
2 11 -1
1 -9 5
-4 -4 17
3. Sample: e=a*b
Syntax:
>> e=a*b
e =
76 3 -12
86 -24 -30
128 -20 -22
4. Sample: f=a.*b
Syntax:
>> f=a.*b
f =
8 -18 30
20 -14 14
96 5 -72
5. Sample: g=a/b
Syntax:
>> g=a/b
g =
0.4627 0.9157 -0.0490
0.8725 0.8431 -0.0098
1.0275 1.4569 0.0098
6. Sample: h=a./b
Syntax:
>> h=a./b
h =
2.0000 -0.2222 0.8333
1.2500 -0.2857 3.5000
0.6667 0.2000 -1.1250
7. Sample: i=a\b
Syntax:
>> i=a\b
i =
6.8889 9.4074 -13.6296
-1.1111 -5.2593 3.0370
-4.6667 -7.2222 10.8889
8. Sample: j=a.\b
Syntax:
>> j=a.\b
j =
0.5000 -4.5000 1.2000
0.8000 -3.5000 0.2857
1.5000 5.0000 -0.8889
9. Sample: k=a^2
Syntax:
>> k=a^2
k =
66 9 79
66 21 74
109 23 128
10. Sample: l=a.^2
Syntax:
>> l=a.^2
l =
16 4 25
25 4 49
64 1 81
11. Transpose Matrix
Sample: a’
Syntax:
>> m=a'
m =
4 5 8
2 -2 1
5 7 9
12. Invers Matrix
Sample: n=inv(a)
Syntax:
>> n=inv(a)
n =
-0.9259 -0.4815 0.8889
0.4074 -0.1481 -0.1111
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