Matlab 画图

线形、颜色、数据点形状的选择

1，线形

- Solid line (default)
-- Dashed line
: Dotted line
-. Dash-dot line

2，颜色

r Red
g Green
b Blue
c Cyan
m Magenta
y Yellow
k Black
w White

3，数据点的形状

+ Plus sign
o Circle
* Asterisk
. Point
x Cross
‘square‘ or s Square
‘diamond‘ or d Diamond
^ Upward-pointing triangle
v Downward-pointing triangle
> Right-pointing triangle
‘pentagram‘ or p Five-pointed star (pentagram)
‘hexagram‘ or h Six-pointed star (hexagram)

4，例子

Plot the sine function over three different ranges using different line styles, colors, and markers.

t = 0:pi/20:2pi;
plot(t,sin(t),‘-.r‘)
hold on
plot(t,sin(t-pi/2),‘--mo‘)
plot(t,sin(t-pi),‘:bs‘)
hold off