📄 3_5.htm
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<title>MATLAB语言中的关系与逻辑运算</title>
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<p class=MsoNormal align=center style='text-align:center'><b><span lang=EN-US
style='font-size:26.0pt;mso-bidi-font-size:12.0pt;color:blue'>MATLAB</span></b><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'>语言中的关系与逻辑运算</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>
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style='font-size:12.0pt;font-family:宋体;mso-font-kerning:0pt'>
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<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>在执行关系及逻辑运算时，</span><span lang=EN-US>MATLAB
</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>将输入的不为零的数值都视为真</span><span lang=EN-US>
(True)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>而为零的数值则视为否</span><span lang=EN-US>
(False)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。</span> <span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>运算的输出值将判断为真者以</span><span
lang=EN-US> 1 </span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>表示而判断为否者以</span><span lang=EN-US> 0 </span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>表示。各个运算元须用在二个大小相同的阵列或是矩阵中的比较</span></p>
<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-size:
12.0pt;font-family:Wingdings;mso-font-kerning:0pt'>l<span style='font:7.0pt "Times New Roman"'>
</span></span><span style='font-size:12.0pt;font-family:宋体;
mso-font-kerning:0pt'>关系运算<span lang=EN-US><o:p></o:p></span></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:宋体;mso-font-kerning:0pt'>指令<span
lang=EN-US><o:p></o:p></span></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:宋体;mso-font-kerning:0pt'>含义<span
lang=EN-US><o:p></o:p></span></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'><</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>小于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'><=</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=427 valign=top style='width:320.0pt;border-top:none;border-left:
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padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>小于等于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'>></span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=427 valign=top style='width:320.0pt;border-top:none;border-left:
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>大于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'>>=</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=427 valign=top style='width:320.0pt;border-top:none;border-left:
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padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>大于等于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=141 valign=top style='width:106.1pt;border:solid windowtext .5pt;
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<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'>==</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=427 valign=top style='width:320.0pt;border-top:none;border-left:
none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>等于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<tr style='height:14.25pt'>
<td width=141 valign=top style='width:106.1pt;border:solid windowtext .5pt;
border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;
height:14.25pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='color:red'>~=</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<td width=427 valign=top style='width:320.0pt;border-top:none;border-left:
none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:14.25pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>不等于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
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<p class=MsoNormal style='margin-left:1.0gd'><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:blue;mso-font-kerning:0pt'>?a=1:2:11;<br clear=all
style='page-break-before:always'>
?b=2:1:7;<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:1.0gd'><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:blue;mso-font-kerning:0pt'>?a>b<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:1.0gd'><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:blue;mso-font-kerning:0pt'>ans =<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:1.0gd;text-indent:30.0pt'><span
lang=EN-US style='font-size:12.0pt;font-family:宋体;color:blue;mso-font-kerning:
0pt'>0<span style="mso-spacerun: yes"> </span>0<span
style="mso-spacerun: yes"> </span>1<span
style="mso-spacerun: yes"> </span>1<span
style="mso-spacerun: yes"> </span>1<span
style="mso-spacerun: yes"> </span>1<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:12.0pt;mso-char-indent-count:1.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;color:blue;mso-font-kerning:0pt'>?a==b<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:1.0gd;text-indent:10.5pt'><span
lang=EN-US style='font-size:12.0pt;font-family:宋体;color:blue;mso-font-kerning:
0pt'>ans =<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;color:blue;mso-font-kerning:0pt'><span style="mso-spacerun:
yes"> </span>0<span style="mso-spacerun: yes">
</span>1<span style="mso-spacerun: yes"> </span>0<span
style="mso-spacerun: yes"> </span>0<span
style="mso-spacerun: yes"> </span>0<span
style="mso-spacerun: yes"> </span>0<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;color:blue;mso-font-kerning:0pt'>?a>=b<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;color:blue;mso-font-kerning:0pt'>ans =<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
font-family:宋体;color:blue;mso-font-kerning:0pt'><span style="mso-spacerun:
yes"> </span>0<span style="mso-spacerun:
yes"> </span>1<span style="mso-spacerun:
yes"> </span>1<span style="mso-spacerun:
yes"> </span>1<span style="mso-spacerun:
yes"> </span>1<span style="mso-spacerun:
yes"> </span>1</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
mso-char-indent-size:12.0pt'><span lang=EN-US style='font-size:12.0pt;
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