matlab进阶的绘图功能.htm

详述了Matlab中画图的命令及技巧

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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis auto</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">横轴及纵轴依照数据大小的上下限来订定，横轴及纵轴比例是</SPAN><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">4:3</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis square</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">横轴及纵轴比例是 </SPAN><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">1:1</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis equal</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">将横轴纵轴的尺度比例设成相同值<SPAN lang="EN-US"><O:P></O:P></SPAN></FONT></SPAN></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis xy</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">预设值使用卡氏座标即是将图原点设在左下角横轴由左往右增纵轴由下往上递增<SPAN lang="EN-US"> <O:P></O:P></SPAN></FONT></SPAN></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis ij</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">使用矩阵格式即是将图原点设在左上角横轴不变纵轴由上往下递增<SPAN lang="EN-US"> <O:P></O:P></SPAN></FONT></SPAN></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis normal</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">以预设值画纵轴及横轴<SPAN lang="EN-US"><O:P></O:P></SPAN></FONT></SPAN></P></TD></TR>
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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis off</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P></TD>
<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">将纵轴及横轴取消<SPAN lang="EN-US"><O:P></O:P></SPAN></FONT></SPAN></P></TD></TR>
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<TD style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0.75pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #ece9d8; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent">
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT size="3">恢复纵轴及横轴<SPAN lang="EN-US"><O:P></O:P></SPAN></FONT></SPAN></P></TD></TR></TBODY></TABLE></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">上述的各个指令的语法也可以将关键字放在括弧内的单引号之间，如</SPAN><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis(&#39; &#39;)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">。<SPAN lang="EN-US"><O:P></O:P></SPAN></SPAN></FONT></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">以下是应用 </SPAN><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">axis</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">的范例：<SPAN lang="EN-US"> <O:P></O:P></SPAN></SPAN></FONT></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">&gt;&gt; x=linspace(0,2*pi,30); y=sin(x); z=cos(x);</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">&gt;&gt; plot(x,y,x,z) </SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><O:P></O:P></SPAN></FONT></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">&gt;&gt; axis off</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><FONT size="3"><SPAN lang="EN-US" style="COLOR: red; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">&gt;&gt; axis on</SPAN><SPAN lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> <O:P></O:P></SPAN></FONT></P>