4.1图形处理功能.pdf
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MATLAB
3020MATLAB
plot(X,Y)
plot(X,Y,s)
plot(Y) YY
Y
(1,y(1)), (2,y(2)), (n,y(n))
4.1.1
y=rand(100,1); % y1001
plot(y)
x=[1 2 3] %
y=[0,1,0] %
z=x+y.*i; % zy
plot(z)
x=[1 2 3]+[1 1 1]*i
y=[0 1 0]+[9 0 2]*i
plot(x,y)
2.plot
plot(X,Y)
4.1.3ploty=sin(x)
x= 0:pi/100:2*pi;
y = sin(x);
plot(x,y)
grid on
1plot
XY
4.1.5
x= 0:pi/100:2*pi; % 1201
y=[sin(x);cos(x)]; % sinx,cosxx
plot([x;x],y) % y=sinx,y=cosx[0,2*pi]
x y(x y pairs)
plot
MATLAB
4.1.6plotx-y
t = 0:pi/100:2*pi;
y = sin(t);
plot(t,y)
%grid on
figure(2)
y2 = sin(t-0.25);
y3 = sin(t-0.5);
plot(t,y,t,y2,t,y3)
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