基本xy平面绘图命令.mht

有关matlab的基本运算函数

<P><A name=3DOUTPUT_66><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00011-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00011-1.gi=
f"><TT><FONT=20
face=3D"Courier New" color=3D#0000ff size=3D2> </FONT></TT></A><FONT=20
size=3D2><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=B6=D4=EC=B6=B4=F3=C1=BF=B5=C4=D7=CA=C1=CF=A3=AC=
=CE=D2=C3=C7=BF=C9=D3=C3hist=C0=B4=CF=D4=CA=BE=D7=CA=C1=CF=B5=C4=B7=D6=A1=
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=B9=C2=D2=CA=FD=B7=D6=A1=A1=A3=BA=20
<BR></FONT></P>
<P><A name=3DINPUT_62><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>x=3Drandn(5000, 1); % </FONT></TT><FONT color=3D#008000=20
size=3D2>=B2=FA=C9=FA</FONT><TT><FONT face=3D"Courier New" =
color=3D#008000=20
size=3D2>5000</FONT></TT><FONT color=3D#008000 size=3D2>=B8=F6<TT> =
</TT></FONT><FONT=20
face=3DSymbol color=3D#008000 size=3D2>m</FONT><TT><FONT face=3D"Courier =
New"=20
color=3D#008000 size=3D2>=3D0</FONT></TT><FONT color=3D#008000 =
size=3D2>=A3=AC</FONT><FONT=20
face=3DSymbol color=3D#008000 size=3D2>s</FONT><TT><FONT face=3D"Courier =
New"=20
color=3D#008000 size=3D2>=3D1 </FONT></TT><FONT color=3D#008000 =
size=3D2>=B5=C4=B8=DF=CB=B9=C2=D2=CA=FD</FONT></A>=20
</P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>hist(x,20); % =

20</FONT></TT><FONT color=3D#008000 =
size=3D2>=B4=FA=B1=ED=B3=A4=CC=F5=B5=C4=B8=F6=CA=FD<TT> </TT></FONT></P>
<P><A name=3DOUTPUT_62><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00012-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00012-1.gi=
f"><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>rose=BA=CDhist=BA=DC=BD=D3=BD=FC=A3=AC=D6=BB=B2=
=BB=B9=FD=CA=C7=BD=AB=D7=CA=C1=CF=B4=F3=D0=A1=CA=D3=CE=AA=BD=C7=B6=C8=A3=AC=
=D7=CA=C1=CF=B8=F6=CA=FD=CA=D3=CE=AA=BE=E0=C0=EB=A3=AC=B2=A2=D3=C3=BC=AB=D7=
=F9=B1=EA=BB=E6=D6=C6=B1=ED=CA=BE=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_67><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>x=3Drandn(1000, 1);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>rose(x); =
</FONT></TT></P>
<P><A name=3DOUTPUT_67><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00013-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00013-1.gi=
f"><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>stairs=BF=C9=BB=AD=B3=F6=BD=D7=CC=DD=CD=BC=A3=BA=
 <BR></FONT></P>
<P><A name=3DINPUT_68><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>x=3Dlinspace(0,10,50);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>y=3Dsin(x).*exp(-x/3);</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>stairs(x,y);=20
</FONT></TT></P>
<P><A name=3DOUTPUT_68><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00014-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00014-1.gi=
f"><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>stems=BF=C9=B2=FA=C9=FA=D5=EB=D7=B4=CD=BC=A3=AC=
=B3=A3=B1=BB=D3=C3=C0=B4=BB=E6=D6=C6=CA=FD=CE=BB=D1=B6=BA=C5=A3=BA =
<BR></FONT></P>
<P><A name=3DINPUT_70><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>x=3Dlinspace(0,10,50);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>y=3Dsin(x).*exp(-x/3);</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>stem(x,y); =
</FONT></TT></P>
<P><A name=3DOUTPUT_70><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/img00015.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00015.GIF"=
><TT><FONT=20
face=3D"Courier New" color=3D#0000ff size=3D2> </FONT></TT></A><FONT=20
size=3D2><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>stairs=BD=AB=D7=CA=C1=CF=B5=E3=CA=D3=CE=AA=B6=E0=
=B1=DF=D0=D0=B6=A5=B5=E3=A3=AC=B2=A2=BD=AB=B4=CB=B6=E0=B1=DF=D0=D0=CD=BF=C9=
=CF=D1=D5=C9=AB=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_69><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>x=3Dlinspace(0,10,50);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>y=3Dsin(x).*exp(-x/3);</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>fill(x,y,'b'); %=20
'b'</FONT></TT><FONT color=3D#008000 size=3D2>=CE=AA=C0=B6=C9=AB<TT> =
</TT></FONT></P>
<P><A name=3DOUTPUT_69><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/img00016.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00016.GIF"=
><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>feather=BD=AB=C3=BF=D2=BB=B8=F6=D7=CA=C1=CF=B5=E3=
=CA=D3=B8=B4=CA=FD=A3=AC=B2=A2=D2=D4=BC=FD=BA=C5=BB=AD=B3=F6=A3=BA =
<BR></FONT></P>
<P><A name=3DINPUT_75><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>theta=3Dlinspace(0, 2*pi, 20);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>z =3D=20
cos(theta)+i*sin(theta);</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>feather(z);=20
</FONT></TT></P>
<P><A name=3DOUTPUT_75><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/img00017.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00017.GIF"=
><TT><FONT=20
face=3D"Courier New" color=3D#0000ff size=3D2> </FONT></TT></A><FONT=20
size=3D2><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>compass=BA=CDfeather=BA=DC=BD=D3=BD=FC=A3=AC=D6=
=BB=CA=C7=C3=BF=B8=F6=BC=FD=BA=C5=B5=C4=C6=F0=B5=E3=B6=BC=D4=DA=D4=B2=B5=E3=
=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_76><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>theta=3Dlinspace(0, 2*pi, 20);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>z =3D=20
cos(theta)+i*sin(theta);</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>compass(z);=20
</FONT></TT></P>
<P><A name=3DOUTPUT_76><IMG height=3D286=20
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tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00018.GIF"=
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