Peña-1
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Peña- 1 1 >> .A=[3 4 5 ;9 3 2] A = 3 4 5 9 3 2 >> B=[1 5 34;45 6 9] B = 1 5 34 45 6 9 >> C=A+B C = 4 9 39 54 9 11
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Transcript of Peña-1
Pea- 11 >> .A=[3 4 5 ;9 3 2]
A =
3 4 5 9 3 2
>> B=[1 5 34;45 6 9]
B =
1 5 34 45 6 9
>> C=A+B
C =
4 9 39 54 9 11
2. >> D=[21 -5 4;7 8 3;6 8 9]
D =
21 -5 4 7 8 3 6 8 9
>> E=[3 6 8; 5 6 7;87 54 21]
E =
3 6 8 5 6 7 87 54 21
>> F=D+E
F =
24 1 12 12 14 10 93 62 30
3.>> G=[-5 4 3; -7 8 43]
G =
-5 4 3 -7 8 43
>> H=[-4 65 -78;6 -5 -90]
H =
-4 65 -78 6 -5 -90
>> I=G-H
I =
-1 -61 81 -13 13 133
4.>> J=[34 56 78;-54 -65 -87]
J =
34 56 78 -54 -65 -87
>> K=[3 4 5;67 54 34]
K =
3 4 5 67 54 34
>> L=J-K
L =
31 52 73 -121 -119 -121
5.>> A=[23 45 7 ;76 5 1]
A =
23 45 7 76 5 1>> B=[2 4;6 9;3 5]
B =
2 4 6 9 3 5
>> C=A*B
C =
337 532 185 354
6.>> D=[32 43 -7; 5 -8 6]
D =
32 43 -7 5 -8 6
>> E=[3 4;6 5;3 -9]
E =
3 4 6 5 3 -9
>> F=D*E
F =
333 406 -15 -74
7.>> T=[4 5 6; 8 3 1]
T =
4 5 6 8 3 1
>> S=[32 54 -6;6 1 4]
S =
32 54 -6 6 1 4
>> U=T/S
U =
0.0460 0.8075 0.0596 0.7880
8.>> A=[32 5 7;56 7 9]
A =
32 5 7 56 7 9
>> B=[3 6 1;5 4 1]
B =
3 6 1 5 4 1
>> C=A/B
C =
-5.7048 9.8855 -10.4880 17.5361
9.>> A=[65 78 43;23 45 89]
A =
65 78 43 23 45 89
>> B=[1 2 3; 54 5 6]
B =
1 2 3 54 5 6
>> C=A\B
C =
0 0 0 -0.4460 -0.0074 0.0018 0.8322 0.0599 0.0665
10.>> D=[12 45 79;3 6 2]
D =
12 45 79 3 6 2
>> E=[3 5 1;5 2 9]
E =
3 5 1 5 2 9
>> F=D\E
F =
0 0 0 1.0130 0.3854 1.8464 -0.5391 -0.1562 -1.0391
11.>> A=[3 4 5;2 67 8;4 5 6]
A =
3 4 5 2 67 8 4 5 6
>> A^2
ans =
37 305 77 172 4537 594 46 381 96
12.>> B=[34 5 6; 2 14 5;8 9 7]
B =
34 5 6 2 14 5 8 9 7
>> B^2
ans =
1214 294 271 136 251 117 346 229 142
13.>> C=[3 4 5; 7 8 9;34 56 78]
C =
3 4 5 7 8 9 34 56 78
>> D=C^-1
D =
1.0e+015 *
-0.9007 0.2402 0.0300 1.8014 -0.4804 -0.0600 -0.9007 0.2402 0.0300
14.>> E=[2 4 6; 5 6 3; 7 1 2]
E =
2 4 6 5 6 3 7 1 2
>> F=E^-1
F =
-0.0562 0.0125 0.1500 -0.0688 0.2375 -0.1500 0.2312 -0.1625 0.0500
15.>> G=[1 2 3;45 67 89]
G =
1 2 3 45 67 89
>> transpose(G)
ans =
1 45 2 67 3 89
16.>> H=[34 12 5;23 67 89]
H =
34 12 5 23 67 89
>> transpose(H)
ans =
34 23 12 67 5 89
17.>> A=[1 2 3; 12 34 56;67 54 32]
A =
1 2 3 12 34 56 67 54 32
>> tril(A)
ans =
1 0 0 12 34 0 67 54 32
>> triu(A)
ans =
1 2 3 0 34 56 0 0 32
18.>> B=[12 34 56;1 4 7; 45 29 70]
B =
12 34 56 1 4 7 45 29 70
>> tril(B)
ans =
12 0 0 1 4 0 45 29 70
>> triu(B)
ans =
12 34 56 0 4 7 0 0 70
19. >> A=[32 45 67;3 4 5;7 8 9]
A =
32 45 67 3 4 5 7 8 9
>> det(A)
ans =
-36.0000
20.>> B=[23 45 65;34 4 5;6 7 8]
B =
23 45 65 34 4 5 6 7 8
>> det(B)
ans =
2.9510e+003
