Page 80 - MATLAB an introduction with applications

MATLAB Basics ——— 65

10 3

10 2

10 1
10 0 10 1 10 2 10 3

Fig. E1.16 (d)

(e) %Use of stairs command
>> t=linspace(0,2*pi,200);
>> r=sqrt(abs(3*sin(7*t)));
>> y=r*sin(t);
>> stairs(t, y)
>> axis([0 pi 0 inf]);

1.5

1

0.5

0
0 0.5 1 1.5 2 2.5 3

Fig. E1.16 (e)
( f ) % Use of bar command4
>> t=linspace(0,2*pi,200);
>> r=sqrt(abs(3*sin(4*t)));
>> y=r*sin(t);
>> bar(t,y)
>> axis([0 pi 0 inf]);

F:\Final Book\Sanjay\IIIrd Printout\Dt. 10-03-09