Задание 3! Вариант 6
a = [3.5 6.8 -7.1 6.8 -5.0 -2.3 -4.4 -0.2]
b = [5.5 1.5 5.7 -4.6 -2.3 -5.3 5.5 2.3]
Решение:
>> a = [3.5 6.8 -7.1 6.8 -5.0 -2.3 -4.4 -0.2],b = [5.5 1.5 5.7 -4.6 -2.3 -5.3 5.5 2.3]
a =
Columns 1 through 4
3.5 6.8 -7.1 6.8
Columns 5 through 8
-5 -2.3 -4.4 -0.2
b =
Columns 1 through 4
5.5 1.5 5.7 -4.6
Columns 5 through 8
-2.3 -5.3 5.5 2.3
>> disp(a+b)
Columns 1 through 4
9 8.3 -1.4 2.2
Columns 5 through 8
-7.3 -7.6 1.1 2.1
>> disp(a-b)
Columns 1 through 4
-2 5.3 -12.8 11.4
Columns 5 through 8
-2.7 3 -9.9 -2.5
>> F=dot(a,b)
F =
-43.27
>> c=[a b]
c =
Columns 1 through 4
3.5 6.8 -7.1 6.8
Columns 5 through 8
-5 -2.3 -4.4 -0.2
Columns 9 through 12
5.5 1.5 5.7 -4.6
Columns 13 through 16
-2.3 -5.3 5.5 2.3
>> c=[a,b]
c =
Columns 1 through 4
3.5 6.8 -7.1 6.8
Columns 5 through 8
-5 -2.3 -4.4 -0.2
Columns 9 through 12
5.5 1.5 5.7 -4.6
Columns 13 through 16
-2.3 -5.3 5.5 2.3
>> [M,p]=max(c),[N,i]=min(c)
M =
6.8
p =
2
N =
-7.1
i =
3
>> c(p)=M;c(i)=N
c =
Columns 1 through 4
3.5 6.8 -7.1 6.8
Columns 5 through 8
-5 -2.3 -4.4 -0.2
Columns 9 through 12
5.5 1.5 5.7 -4.6
Columns 13 through 16
-2.3 -5.3 5.5 2.3
>> vz=sort(c)
vz =
Columns 1 through 4
-7.1 -5.3 -5 -4.6
Columns 5 through 8
-4.4 -2.3 -2.3 -0.2
Columns 9 through 12
1.5 2.3 3.5 5.5
Columns 13 through 16
5.5 5.7 6.8 6.8
>> yb=-sort(-c)
yb =
Columns 1 through 4
6.8 6.8 5.7 5.5
Columns 5 through 8
5.5 3.5 2.3 1.5
Columns 9 through 12
-0.2 -2.3 -2.3 -4.4
Columns 13 through 16
-4.6 -5 -5.3 -7.1
>> T=rot90(rot90(c))
T =
Columns 1 through 4
2.3 5.5 -5.3 -2.3
Columns 5 through 8
-4.6 5.7 1.5 5.5
Columns 9 through 12
-0.2 -4.4 -2.3 -5
Columns 13 through 16
6.8 -7.1 6.8 3.5
>> u=[a(2) a(5) a(6)], v=[b(1) b(3) b(5)]
u =
6.8 -5 -2.3
v =
5.5 5.7 -2.3
>> cross(u,v)
ans =
24.61 2.99 66.26