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📄 基本xy平面绘图命令.mht

📁 有关matlab的基本运算函数
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    <TD width=3D128><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=D0=E9=CF=DF</FONT></TD></TR></TBODY></TABLE>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=CD=BC=D0=CE=CD=EA=B3=C9=E1=E1=A3=AC=CE=D2=C3=C7=
=BF=C9=D3=C3axis([xmin,xmax,ymin,ymax])=BA=AF=CA=FD=C0=B4=B5=F7=D5=FB=CD=BC=
=D6=E1=B5=C4=B7=B6=CE=A7=A3=BA=20
<BR></FONT></P>
<P><A name=3DINPUT_57><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>axis([0,=20
6, -1.2, 1.2]); </FONT></TT></A></P>
<P><A name=3DOUTPUT_57><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00005-2.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00005-2.gi=
f"><TT><B><FONT=20
face=3D"Courier New" color=3D#ff0000 size=3D2> </FONT></B></TT></A><FONT =

size=3D2><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=B4=CB=CD=E2=A3=ACMATLAB=D2=B2=BF=C9=B6=D4=CD=BC=
=D0=CE=BC=D3=C9=CF=B8=F7=D6=D6=D7=A2=BD=E2=D3=EB=B4=A6=C0=ED=A3=BA =
<BR></FONT></P>
<P><A name=3DINPUT_58><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>xlabel('Input Value'); % x</FONT></TT><FONT color=3D#008000=20
size=3D2>=D6=E1=D7=A2=BD=E2</FONT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>ylabel('Function Value'); %=20
y</FONT></TT><FONT color=3D#008000 size=3D2>=D6=E1=D7=A2=BD=E2</FONT> =
</P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>title('Two =
Trigonometric=20
Functions'); % </FONT></TT><FONT color=3D#008000 =
size=3D2>=CD=BC=D0=CE=B1=EA=CC=E2</FONT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>legend('y =3D =
sin(x)','y =3D=20
cos(x)'); % </FONT></TT><FONT color=3D#008000 =
size=3D2>=CD=BC=D0=CE=D7=A2=BD=E2</FONT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>grid on; %=20
</FONT></TT><FONT color=3D#008000 size=3D2>=CF=D4=CA=BE=B8=F1=CF=DF<TT> =
</TT></FONT></P>
<P><A name=3DOUTPUT_58><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00006-2.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00006-2.gi=
f"><FONT=20
color=3D#0000ff size=3D2><TT> </TT></FONT></A><FONT =
size=3D2><BR><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=CE=D2=C3=C7=BF=C9=D3=C3subplot=C0=B4=CD=AC=CA=B1=
=BB=AD=B3=F6=CA=FD=B8=F6=D0=A1=CD=BC=D0=CE=EC=B6=CD=AC=D2=BB=B8=F6=CA=D3=B4=
=B0=D6=AE=D6=D0=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_54><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>subplot(2,2,1); plot(x, sin(x));</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>subplot(2,2,2); plot(x,=20
cos(x));</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>subplot(2,2,3); plot(x,=20
sinh(x));</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>subplot(2,2,4); plot(x,=20
cosh(x)); </FONT></TT></P>
<P><A name=3DOUTPUT_54><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00007-2.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00007-2.gi=
f"><TT><FONT=20
face=3D"Courier New" color=3D#0000ff size=3D2> </FONT></TT></A><FONT=20
size=3D2><BR><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>MATLAB=BB=B9=D3=D0=C6=E4=CB=FB=B8=F7=D6=D6=B6=FE=
=CE=AC=BB=E6=CD=BC=BA=AF=CA=FD=A3=AC=D2=D4=CA=CA=BA=CF=B2=BB=CD=AC=B5=C4=D3=
=A6=D3=C3=A3=AC=CF=EA=BC=FB=CF=C2=B1=ED=A1=A3 <BR></FONT></P>
<TABLE borderColor=3D#000000 border=3D1>
  <TBODY>
  <TR>
    <TD width=3D298 bgColor=3D#ffffff colSpan=3D3><FONT=20
      =
face=3D=B1=EA=BF=AC=CC=E5>=D0=A1=D5=FB=C0=ED=A3=BA=C6=E4=CB=FB=B8=F7=D6=D6=
=B6=FE=CE=AC=BB=E6=CD=BC=BA=AF=CA=FD</FONT> </TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>bar</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=B3=A4=CC=F5=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>errorbar</FONT> =
</TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=CD=BC=D0=CE=BC=D3=C9=CF=CE=F3=B2=EE=B7=B6=CE=A7=
 </FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>fplot</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=BD=CF=BE=AB=C8=B7=B5=C4=BA=AF=CA=FD=CD=BC=D0=CE=
</FONT> </TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>polar</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=BC=AB=D7=F9=B1=EA=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>hist</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=C0=DB=BC=C6=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>rose</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=BC=AB=D7=F9=B1=EA=C0=DB=BC=C6=CD=BC</FONT></TD=
></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>stairs</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=BD=D7=CC=DD=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>stem</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=D5=EB=D7=B4=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>fill</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=CA=B5=D0=C4=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>feather</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=D3=F0=C3=AB=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>compass</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=C2=DE=C5=CC=CD=BC</FONT></TD></TR>
  <TR>
    <TD width=3D50>=A1=A1</TD>
    <TD width=3D104><FONT face=3D=B1=EA=BF=AC=CC=E5>quiver</FONT> </TD>
    <TD width=3D144><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=CF=F2=C1=BF=B3=A1=CD=BC</FONT></TD></TR></TBOD=
Y></TABLE>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=D2=D4=CF=C2=CE=D2=C3=C7=D5=EB=B6=D4=C3=BF=B8=F6=
=BA=AF=CA=FD=BE=D9=C0=FD=A1=A3<BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=B5=B1=D7=CA=C1=CF=B5=E3=CA=FD=C1=BF=B2=BB=B6=E0=
=CA=B1=A3=AC=B3=A4=CC=F5=CD=BC=CA=C7=BA=DC=CA=CA=BA=CF=B5=C4=B1=ED=CA=BE=B7=
=BD=CA=BD=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_59><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>close all;=20
% </FONT></TT><FONT color=3D#008000 =
size=3D2>=B9=D8=B1=D5=CB=F9=D3=D0=B5=C4=CD=BC=D0=CE=CA=D3=B4=B0</FONT></A=
> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>x=3D1:10;</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>y=3Drand(size(x));</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>bar(x,y); =
</FONT></TT></P>
<P><A name=3DOUTPUT_59><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00008-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00008-1.gi=
f"><FONT=20
size=3D2> </A><BR><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=C8=E7=B9=FB=D2=D1=D6=AA=D7=CA=C1=CF=B5=C4=CE=F3=
=B2=EE=C1=BF=A3=AC=BE=CD=BF=C9=D3=C3errorbar=C0=B4=B1=ED=CA=BE=A1=A3=CF=C2=
=C0=FD=D2=D4=B5=A5=CE=BB=B1=EA=D7=BC=B2=EE=C0=B4=D7=F6=D7=CA=C1=CF=B5=C4=CE=
=F3=B2=EE=C1=BF=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_60><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>x =3D=20
linspace(0,2*pi,30);</FONT></TT></A> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>y =3D =
sin(x);</FONT></TT>=20
</P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>e =3D=20
std(y)*ones(size(x));</FONT></TT> </P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>errorbar(x,y,e)=20
</FONT></TT></P>
<P><A name=3DOUTPUT_60><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00009-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00009-1.gi=
f"><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=B6=D4=EC=B6=B1=E4=BB=AF=BE=E7=C1=D2=B5=C4=BA=AF=
=CA=FD=A3=AC=BF=C9=D3=C3fplot=C0=B4=BD=F8=D0=D0=BD=CF=BE=AB=C8=B7=B5=C4=BB=
=E6=CD=BC=A3=AC=BB=E1=B6=D4=BE=E7=C1=D2=B1=E4=BB=AF=B4=A6=BD=F8=D0=D0=BD=CF=
=C3=DC=BC=AF=B5=C4=C8=A1=D1=F9=A3=AC=C8=E7=CF=C2=C0=FD=A3=BA=20
<BR></FONT></P>
<P><A name=3DINPUT_61><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>fplot('sin(1/x)', [0.02 0.2]); % [0.02 0.2]</FONT></TT><FONT=20
color=3D#008000 size=3D2>=CA=C7=BB=E6=CD=BC=B7=B6=CE=A7<TT> =
</TT></FONT></A></P>
<P><A name=3DOUTPUT_61><IMG height=3D286=20
src=3D"http://www.people.cornell.edu/pages/jf262/matlab/matlablearn/matla=
bsimple/images/IMG00010-1.gif"=20
width=3D382=20
tppabs=3D"http://ins22web.seu.edu.cn/xuray/netschool/mlbook/IMG00010-1.gi=
f"><FONT=20
size=3D2> </A><BR></FONT></P>
<P><FONT =
face=3D=B1=EA=BF=AC=CC=E5>=C8=F4=D2=AA=B2=FA=C9=FA=BC=AB=D7=F9=B1=EA=CD=BC=
=D0=CE=A3=AC=BF=C9=D3=C3polar=A3=BA <BR></FONT></P>
<P><A name=3DINPUT_66><TT><FONT face=3D"Courier New" color=3D#008000=20
size=3D2>theta=3Dlinspace(0, 2*pi); </FONT></TT></A></P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 =
size=3D2>r=3Dcos(4*theta);=20
</FONT></TT></P>
<P><TT><FONT face=3D"Courier New" color=3D#008000 size=3D2>polar(theta, =
r);=20
</FONT></TT></P>
12345

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