📄 2_3_1.htm
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<title>基本绘制函数</title>
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<p class=MsoNormal align=center style='text-align:center'><b><span
style='font-size:26.0pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:blue'>绘制三维曲线</span></b><b><span
lang=EN-US style='font-size:26.0pt;mso-bidi-font-size:12.0pt;color:blue'><o:p></o:p></span></b></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>
<hr size=2 width="100%" align=center>
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<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo1;
tab-stops:list 21.0pt'> <span lang=EN-US style='font-family:
Wingdings'>l<span style='font:7.0pt "Times New Roman"'>
</span></span><span lang=EN-US style='mso-bidi-font-size:10.5pt;
mso-font-kerning:0pt'>plot3</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt'>命令将绘制二维图形的函数</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;mso-font-kerning:0pt'>plot</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt'>的特性扩展到三维空间。函数格式除了包括第三维的信息（比如</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt;mso-font-kerning:0pt'>Z</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt'>方向）之外，与二维函数</span><span lang=EN-US style='mso-bidi-font-size:
10.5pt;mso-font-kerning:0pt'>plot</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt'>相同。</span></p>
<p class=MsoNormal><span lang=EN-US>plot3</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的格式：</span></p>
<p class=MsoNormal><span lang=EN-US>plot3(x1,y1,z1,s1,x2,y2,z2,s2,…)</span></p>
<p class=MsoNormal><span lang=EN-US style='color:blue'>?t=(0:0.1:3)*pi;<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:blue'>?x=sin(t);<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:blue'>?y=cos(t);<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:blue'>?z=tan(t);<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:blue'>?plot3(x,y,z,'bo-');<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> <img width=554 height=415
src="./2_3_1/image002.jpg" v:shapes="_x0000_i1027"> </span></p>
<p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p>
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<hr size=2 width="100%" align=center>
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