MATLAB . ( ).
y:
x=0:0.01:2; y=sin(x);
:
plot(x,y)
(. 1).
MATLAB , Figure.
,
z=cos(x);
plot(x,z)
( clf, cla 0 1).
, plot hold on, :
x=0:0.01:2; y=sin(x);
plot(x,y)
z=cos(x);
hold on
plot(x,z)
(. 2), :
x=0:0.01:2; y=sin(x); z=cos(x);
plot(x,y,x,z)
, , . . plot figure, .
subplot. , .
, sin cos , exp () (. 3):
w=exp(x);
subplot(1,2,1); plot(x,y,x,z)
subplot(1,2,2); plot(x,w)
. subplot , , , ( ). subplot :
subplot(1,1,1)
, . semilogx, semilogy loglog.
(. 4) polar.
phi=0:0.01:2*pi; r=sin(3*phi);
|
|
polar(phi,r)
, , . ,
x=0:0.1:3; y=sin(x);
plot(x,y,'r-',x,y,'ko')
(. 5), . plot , . 'r-', ( r), . , 'ko', ( k) ( o) .
plot (x1, y1, s1, x2, y2, s2, ) y1(x1), y2(x2), s1, s2, . .
s1, s2, , (). . . . . , . , , , 'r+-' '-+r' .
, , , .
, . MATLAB , . MATLAB . MATLAB, .
axis ([ xmin, xmax, ymin, ymax ]) xlabl, ylabl, title text. xlabl , ylabl ( ). , text. title. , grid on, . (. 6):
x=0:0.1:3; y=sin(x);
plot(x,y,'r-',x,y,'ko')
title('Function sin(x) graph');
xlabel('xcoordinate'); ylabel('sin(x)');
text(2.1, 0.9, '\leftarrowsin(x)'); grid on
text , . , , . \ ( ).