RESOLUCION PRACTICA DIRIGIDA.docx
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Transcript of RESOLUCION PRACTICA DIRIGIDA.docx
RESOLUCION PRÁCTICA DIRIGIDA
1……………………………
>> a=5,b=2
>> sqrt(a^2+b^2+2*a*b*cos((37*pi)/180))
ans =
6.7062
2. ……………………………………….
>> r=2.62
r =
2.6200
>> (4/3)*pi*r^3
ans =
75.3343
3. …………………………………………
>> A=[1,1;1,3]
A =
1 1
1 3
>> A^4
ans =
20 48
48 116
4. …………………………………………
>> A=[2 0;0 2],B=[-2 -5;4 1]
A = 2 0
0 2
B = -2 -5
4 1
>> A*B
ans =
-4 -10
8 2
>> B*A
ans =
-4 -10
8 2
>> A+B
ans =
0 -5
4 3
>> B+A
ans =
0 -5
4 3
1
5. ………………
>> A=1+3i,B=3+5i,C=6+8i
A =
1.0000 + 3.0000i
B =
3.0000 + 5.0000i
C =
6.0000 + 8.0000i
>> A+B+C
ans =
10.0000 +16.0000i
6………………………….
>> E=((4/3+3)/(7/5-2/5))
E =
4.3333
7………………………
x =
2.5000
>> Y=3*x^4-7*x^3+2*x^2+x+1
Y =
23.8125
8………………………………
A=[3 2 -4;2 -2 5;4 3 -4]
A =
3 2 -4
2 -2 5
4 3 -4
>> B=[12;10;18]
B =
12
10
18
>> A\B
ans =
4.1905
1.8095
1.0476
9……………………………………
>> x=linspace(0,2*pi,20);
>> y=sin(x)+2;
>> plot(x,y)
2
10……………………………………
v>> x=linspace(0,2*pi,20);
>> y=sin(x)+2;
>> plot(x,y)
>> plot(x,y,'blue')
>> title('sen (x)+2')
11………………………………..
>> y=[5 0 2 0 3 0]
y =
5 0 2 0 3 0
>> r=roots(y)
r =
0
-0.5360 + 0.6981i
-0.5360 - 0.6981i
0.5360 + 0.6981i
0.5360 - 0.6981i
3
PRACTICA DOMICILIARIA
1……………………………………
a=8+6i
a =
8.0000 + 6.0000i
>> k=3*sqrt(2);
>> b=k+k*i;
>> c=12+16i;
>> r=a+b+c
r =
24.2426 +26.2426i
>> abs(r)
ans =
35.7265
2…………………………….
>> r=2.76
r =
2.7600
>> S=4*pi*r^2
S =
95.7256
3……………………………..
>> a=sqrt((8^2+4^2-(2*4*8*cos(30*pi/180))))
a =4.9573
>> x=(4*sin(30*pi/180))/a
x =0.4034
>> asin(x)
ans =
0.4153
>> (asin(x))/pi*180
ans =
23.7940
4………………………………….
>> A=[2 3;4 5]
A =
2 3
4 5
>> B=[2 0;1 2]
B =
2 0
1 2
>> C=A+(3*B)
4
C =
8 3
7 11
6……………………………………………..
>> ((4/3+3)/(7/5-2/5))+(4/5)
ans =
5.1333
7………………………………
>> x=-1.2
x =
-1.2000
>> y=4*x^4-2*x^3+2*x^2+5*x+1
y =
9.6304
8………………………………..
>> A=[1 1 -1;1 -1 1;1 1 -2]
A =
1 1 -1
1 -1 1
1 1 -2
>> B=[1;1;0]
B =
1
1
0
>> A\B
ans =
1
1
1
9…………………………………….
>> x=linspace(0,2*pi,20);
y=sin(x)+2;
plot(x,y)
>>
>> x=linspace(0,pi,200);
>> y=cos(x)-1;
>> plot(x,y)
5
10………………………………….
>> a=[5 0 2 0 3 0]
a =
5 0 2 0 3 0
>> r=roots(a)
r =
0
-0.5360 + 0.6981i
-0.5360 - 0.6981i
0.5360 + 0.6981i
0.5360 - 0.6981i
6