3850953064

D f'gure 1

File Edit View Insert Tool: Desktop Window Help

Dl^HS li 81^08 « 00 o □

% define x x=[O:O.1:2*pi];

% compute yl, y2 and y3 yl=sin(x); y2=sin(2*x); y3=sin(3*x) ;

% open a figurę window % and plot the trig functions figurę

plot(x,yl,'b:'); hołd on

plot (x,y2 , 'r— ') ; hołd on plot (x,y3 , 'g- ') ; axis([0 4*pi -2 2]);

legend('sin(x)','sin(2x)','sin(3x)');

xlabel('elements in vector x')/

ylabel('elements in vector yl, y2 and y3');

title('The sine function at different frequencies');

grid on

Plot a graph using variable x for the x-coordinates, y3 for the y-coordinates, and 'g-' to define a solid green linę.