1 plot()函数

画一条线

plot(X,Y)

最基本的例子

x = 0: pi / 100:2 * pi;

y = sin(x);

figure

plot(x,y)

在一张图上画多条线

clc;

clear;

x = linspace(-2 * pi,2 * pi);

y1 = sin(x);

y2 = cos(x);

figure

plot(x,y1,x,y2)

2 Matlab绘制两个图

Matlab可以使用figure(1), figure(2)作多幅图

clc;

clear;

buoy_effective_wave = [1.45

1.43

1.41

1.42

1.382

1.364

1.39

];

radar_effective_wave = [1.44846

1.38654

1.1079

1.68066

0.9918

1.29366

1.62648

];

figure(1);

x = 0 : 6;

plot(x,buoy_effective_wave,'g--',x,radar_effective_wave,'r:');

title('有效波');

grid on;

buoy_wave_crest_week=[36.69

36.21

37.32

36.79

36.773

36.091

37.03];

radar_wave_crest_week=[35.8

33

46.5

38.7

36.6

30.2

39.5];

figure(2);

x = 0 : 6;

plot(x,buoy_wave_crest_week,'g--',x,radar_wave_crest_week,'r:');

title('波峰周');

grid on;

buoy_wave_crest=[111.268

110.972

112.153

112.484

110.495

112.951

117.189

];

radar_wave_crest=[88.48

68.35

102.16

85.16

90.62

103.49

91.32

];

figure(3);

x = 0 : 6;

plot(x,buoy_wave_crest,'g--',x,radar_wave_crest,'r:');

title('波峰峰');

grid on;

参考资料：

1 https://www.cnblogs.com/stxs/p/8617140.html

巴特西

Matlab的2D作图

1 plot()函数

2 Matlab绘制两个图

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