百年孤独 发表于 2016-4-1 16:30

数学建模十类经典算法(18)

>> figure
>> surf(x, y, z);
http://imgsrc.baidu.com/forum/w%3D580/sign=fc9ebfbe972bd40742c7d3f54b889e9c/4c6e5343fbf2b21166a9a4d8ca8065380dd78e73.jpg
绘制3D曲线图

ezplot3(x,y,z) %绘x=x(t),y=y(t),and z=z(t),0<t<2*pi
ezplot3(x,y,z,)
plot3(x, y, z) %输入x,y,z数据,绘出3D曲线图

例1:
>> t = 0:pi/50:10*pi;
>> plot3(sin(t),cos(t),t)
http://imgsrc.baidu.com/forum/w%3D580/sign=42e60d7ebc3eb13544c7b7b3961ca8cb/cdd9a0ec08fa513de47b4d483d6d55fbb3fbd92d.jpg

例2:
>> ezplot3('cos(2*pi*t)', 'sin(2*pi*t)', 't', )
http://imgsrc.baidu.com/forum/w%3D580/sign=07b6318bd42a283443a636036bb7c92e/8e4d0ef41bd5ad6eba2b457c81cb39dbb7fd3c2f.jpg
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