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📄 matlib hand book in chinese.htm

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"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#20250;&#30452;&#25509;&#26174;&#31034;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20540;&#12290;&#30001;&#19978;&#20363;&#21487;&#30693;&#65292;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#35748;&#35782;&#25152;&#26377;&#19968;&#33324;&#24120;&#29992;&#21040;&#30340;&#21152;&#65288;</span><span
lang=EN-US>+</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#12289;&#20943;&#65288;</span><span
lang=EN-US><br>
-</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#12289;&#20056;&#65288;</span><span
lang=EN-US>*</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#12289;&#38500;&#65288;</span><span
lang=EN-US>/</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#30340;&#25968;&#23398;&#36816;&#31639;&#31526;&#21495;&#65292;&#20197;&#21450;<span
class=GramE>&#24130;</span>&#27425;&#36816;&#31639;&#65288;</span><span
lang=EN-US>^</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#12290;</span><span
lang=EN-US>&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23567;&#25552;&#31034;&#65306;</span><span
lang=EN-US>&nbsp;MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#23558;&#25152;&#26377;&#21464;&#25968;&#22343;&#23384;&#25104;</span><span
lang=EN-US>double</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#24418;&#24335;&#65292;&#25152;&#20197;&#19981;&#38656;&#32463;&#36807;&#21464;&#25968;&#23459;&#21578;&#65288;</span><span
lang=EN-US>Variable&nbsp;<br>
declaration</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65289;&#12290;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21516;&#26102;&#20063;&#20250;&#33258;&#21160;&#36827;&#34892;&#35760;&#24518;&#20307;&#30340;&#20351;&#29992;&#21644;&#22238;&#25910;&#65292;&#32780;&#19981;&#24517;&#20687;</span><span
lang=EN-US>C</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#35821;&#35328;&#65292;&#24517;&#39035;&#30001;</span><span
lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20351;&#29992;&#32773;&#19968;&#19968;&#25351;&#23450;&#12290;&#36825;&#20123;&#21151;&#33021;&#20351;&#30340;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26131;&#23398;&#26131;&#29992;&#65292;&#20351;&#29992;&#32773;&#21487;&#19987;&#24515;&#33268;&#21147;<span
class=GramE>&#26044;</span>&#25776;&#20889;&#31243;&#24335;&#65292;&#32780;&#19981;&#24517;</span><span
lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#34987;&#36719;&#20307;&#26525;&#33410;&#38382;&#39064;&#25152;&#24178;&#25200;&#12290;</span><span
lang=EN-US>&nbsp; <br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#33509;&#19981;&#24819;&#35753;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#27599;&#27425;&#37117;&#26174;&#31034;&#36816;&#31639;&#32467;&#26524;&#65292;&#21482;&#38656;&#22312;&#36816;&#31639;&#24335;&#26368;<span
class=GramE>&#24460;</span>&#21152;&#19978;&#20998;&#21495;&#65288;&#65307;&#65289;&#21363;&#21487;&#65292;&#22914;&#19979;&#20363;&#65306;</span><span
lang=EN-US><br>
&nbsp; <br>
<br>
<br>
y&nbsp;=&nbsp;sin(10)*exp(-0.3*4^2);&nbsp; <br>
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#33509;&#35201;&#26174;&#31034;&#21464;&#25968;</span><span
lang=EN-US>y</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20540;&#65292;&#30452;&#25509;&#38190;&#20837;</span><span
lang=EN-US>y</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21363;&#21487;&#65306;</span><span
lang=EN-US>&nbsp; <br>
<br>
<br>
&gt;&gt;y&nbsp; <br>
<br>
y&nbsp;=&nbsp; <br>
<br>
-0.0045&nbsp; <br>
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#22312;&#19978;&#20363;&#20013;&#65292;</span><span
lang=EN-US>sin</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26159;&#27491;&#24358;&#20989;&#25968;&#65292;</span><span
lang=EN-US>exp</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26159;&#25351;&#25968;&#20989;&#25968;&#65292;&#36825;&#20123;&#37117;&#26159;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#24120;&#29992;&#21040;&#30340;&#25968;&#23398;&#20989;&#25968;&#12290;&#19979;&#34920;&#21363;</span><span
lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20026;</span><span lang=EN-US>MATLAB</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#24120;&#29992;&#30340;&#22522;&#26412;&#25968;&#23398;&#20989;&#25968;&#21450;&#19977;&#35282;&#20989;&#25968;&#65306;</span><span
lang=EN-US>&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23567;&#25972;&#29702;&#65306;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#24120;&#29992;&#30340;&#22522;&#26412;&#25968;&#23398;&#20989;&#25968;</span>
</p>

<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>&lt;gdptag matlib
tech &gt;<br>
abs(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;<span class=GramE>&#32431;&#37327;&#30340;</span>&#32477;&#23545;&#20540;&#25110;&#21521;&#37327;&#30340;&#38271;&#24230;</span><span
lang=EN-US> <br>
angle(z)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22797;&#25968;</span><span
lang=EN-US>z</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#30456;&#35282;</span><span
lang=EN-US>(Phase&nbsp;angle) <br>
sqrt(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#24320;&#24179;&#26041;</span><span
lang=EN-US> <br>
real(z)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22797;&#25968;</span><span
lang=EN-US>z</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#23454;&#37096;</span><span
lang=EN-US> <br>
imag (z)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22797;&#25968;</span><span
lang=EN-US>z</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#34394;&#37096;</span><span
lang=EN-US> <br>
conj(z)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22797;&#25968;</span><span
lang=EN-US>z</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20849;&#36717;&#22797;&#25968;</span><span
lang=EN-US> <br>
round(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22235;&#33293;&#20116;&#20837;&#33267;&#26368;&#36817;&#25972;&#25968;</span><span
lang=EN-US> <br>
fix(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#26080;&#35770;&#27491;&#36127;&#65292;&#33293;&#21435;&#23567;&#25968;&#33267;&#26368;&#36817;&#25972;&#25968;</span><span
lang=EN-US> <br>
floor(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22320;&#26495;&#20989;&#25968;&#65292;&#21363;&#33293;&#21435;&#27491;&#23567;&#25968;&#33267;&#26368;&#36817;&#25972;&#25968;</span><span
lang=EN-US> <br>
ceil(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#22825;&#33457;&#26495;&#20989;&#25968;&#65292;&#21363;&#21152;&#20837;&#27491;&#23567;&#25968;&#33267;&#26368;&#36817;&#25972;&#25968;</span><span
lang=EN-US> <br>
rat(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#23558;&#23454;&#25968;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21270;&#20026;&#20998;&#25968;&#34920;&#31034;</span><span
lang=EN-US> <br>
rats(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#23558;&#23454;&#25968;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21270;&#20026;&#22810;&#39033;&#20998;&#25968;&#23637;&#24320;</span><span
lang=EN-US> <br>
sign(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#31526;&#21495;&#20989;&#25968;</span><span
lang=EN-US>&nbsp;(Signum&nbsp;function)</span><span style='font-family:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#12290;</span><span
lang=EN-US>&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#24403;</span><span lang=EN-US>x&lt;0</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#26102;&#65292;</span><span lang=EN-US>sign(x)=-1</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#65307;</span><span lang=EN-US>&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#24403;</span><span lang=EN-US>x=0</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#26102;&#65292;</span><span lang=EN-US>sign(x)=0;&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#24403;</span><span lang=EN-US>x&gt;0</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#26102;&#65292;</span><span lang=EN-US>sign(x)=1</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#12290;</span><span lang=EN-US>&nbsp; <br>
<br>
rem(x,y)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#27714;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#38500;&#20197;</span><span
lang=EN-US>y</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;<span class=GramE>&#39296;</span>&#25968;</span><span
lang=EN-US> <br>
gcd(x,y)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#25972;&#25968;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21644;</span><span lang=EN-US>y</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#30340;&#26368;&#22823;&#20844;&#22240;&#25968;</span><span
lang=EN-US> <br>
lcm(x,y)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#25972;&#25968;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21644;</span><span lang=EN-US>y</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#30340;&#26368;&#23567;&#20844;&#20493;&#25968;</span><span
lang=EN-US> <br>
exp(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#33258;&#28982;&#25351;&#25968;</span><span
lang=EN-US>&lt;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#22270;&#29255;</span><span
lang=EN-US>&gt; <br>
pow2(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;</span><span lang=EN-US>2</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#30340;&#25351;&#25968;</span><span lang=EN-US>&lt;</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#22270;&#29255;</span><span lang=EN-US>&gt; <br>
log(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#20197;</span><span
lang=EN-US>e</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20026;&#24213;&#30340;&#23545;&#25968;&#65292;&#21363;&#33258;&#28982;&#23545;&#25968;&#25110;</span><span
lang=EN-US>&lt;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#22270;&#29255;</span><span
lang=EN-US>&gt; <br>
log2(x)</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65306;&#20197;</span><span
lang=EN-US>2</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20026;&#24213;&#30340;&#23545;&#25968;</span><span
lang=EN-US>&lt;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#22270;&#29255;</span><span
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