Aula Matlab 26
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Aula mat lab 26/03/2013
x=10:0.1:10;
>> y=x.^3+2*x.^2+7*x+45;
>> plot(y)
>> x=10:0.1:10;
>> y=x.^3+2*x.^2+7*x+45;
>> plot(y)
>> x=10:0.1:10;
>> y=x.^3+2*x.^2+7*x+45;
>> plot(y!x)
>>
>>
>> t=0:.1:3*p";
>> y=#"$(t);
>> %=&xp(0.3*t).*'o#(t);
>> =t.*#"$(t);
>> plot(t!y!!t!%!!t!!.)
olo'a 'o & '&,& $o -'o
'o 'at"a$o &ta$-ula
>> t=0:.1:3*p";
>> y=#"$(t);
>> %=&xp(0.3*t).*'o#(t);
>> =t.*#"$(t);
>> plot(t!y!!t!%!!t!!.);
>> xlab&l(t!'olo!b)
>> ylab&l(u$!olo!b)
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t"tl&(-'o#tt&!olo!b)
0 1 2 3 4 5 6 7-6
-4
-2
0
2
4
6
8
t
f u n ç õ e s
gráficos-teste
seno
t*seno
t*t*seno
exp*cosseno
u$o o#'&a
t=(p"/200:p"/200:2*p");
>> ='o#(2*t);
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>> pola(t!)!-"
0.2
0.4
0.6
0.8
1
210
60
240
90
270
120
300
150
3
180
grafico polar - rosacea teste
>>8=t/(2*p");
>> pola(t!8)!-"
>>
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0.2
0.4
0.6
0.8
1
30
210
60
240
90
270
120
300
150
330
180 0
8o#'a ''&$t&
t=0.01:.05:10*p";
>> x='o#(t);y=#"$(t);
>> %=t.^3;
>> plot3(x!y!%)
9 . 9
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-1
-0.5
0
0.5
1
-1
-0.5
0
0.51
0
1
2
3
4
x 104
u$o "$t&$a
x!y!%=p&a> plot3(x!y!%)
>> -"
-3
-2
-1
-3
-2
-1
0
1
2
3
-8
-6
-4
-2
0
2
4
6
8
10
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'l; apa-a t&laa & -a'o
>> t=0:.05:3*p";
>> x=#"$(t);
>> y=#"$(tp"/4);
>> #ubplot(1!2!1)!plot(t!x!!t!y!);xlab&l(t a"a$o#)
>> #ubplot(1!2!2)!plot(x!y);
>> xlab&l(x=#&$(t));ylab&l(y=#&$(tp"/4))
0 5 10-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
wt - radianos
-1 -0.5 0 0.5 1-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
x=sen(wt)
y = s e n ( w t - p i / 4 )
> m.l& paa 'al'ula a #&u&$'"a & bo$$a$'" at& 1000
=1 1;
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(
0 2 4 6 8 10 12 14 160
100
200
300
400
500
600
700
800
900
1000
@at"% o '"'u"to
>> A(1!1)=1/2;
A(1!2)=1/2;
A(1!3)=0;
A(2!1)=1/2;
A(2!2)=1/2+0.2"+1/10";
A(2!3)=1/10";
A(3!1)=0;
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A(3!2)=1/10";
A(3!3)=1/10"+1/10;
=1 0 0;
>> B=AC
B =
4.0000 + 6.0000"
2.0000 + 6.0000"
2.0000 + 4.0000"
>>
>> ma,=ab#(,)
Da##a paa a$-ulo
>> A(1!1)=1/2;
A(1!2)=1/2;
A(1!3)=0;
A(2!1)=1/2;
A(2!2)=1/2+0.2"+1/10";
A(2!3)=1/10";
A(3!1)=0;
A(3!2)=1/10";
A(3!3)=1/10"+1/10;
=1 0 0;
>> B=AC
B =
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4.0000 + 6.0000"
2.0000 + 6.0000"
2.0000 + 4.0000"
>> ma-,=ab#(B)
ma-, =
7.2111
6.3246
4.4721
>> a#&,=a$-l&(B)*1E0/p"
a#&, =
123.6F01
10E.434F
63.434F
>> (1!1)=22+131.F5"265.2";
(1!2)=131.F5";
(2!1)=131.F5";
(2!2)=131.F5"176.E3"+15;
G=10F.FE+63.5"; EF.E0+EF.F";
>> H=CG
H =
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0.2670 1.4140"
0.4474 + 2.3060"
>> ma-,=ab#(H)
ma-, =
1.43F0
2.34F0
>> a#&,=a$-l&(H)*1E0/p"
a#&, =
100.6F34
100.F7EF
>>
