matlib hand book in chinese.htm

C-#XML入门经典 经典 经典 最佳入门

norm(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#27431;&#27663;&#65288;</span><span
lang=EN-US>Euclidean</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#38271;&#24230;</span><span
lang=EN-US> <br>
sum(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#20803;&#32032;&#24635;&#21644;</span><span
lang=EN-US> <br>
prod(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#20803;&#32032;&#24635;&#20056;&#31215;</span><span
lang=EN-US>&nbsp; <br>
cumsum(x): </span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#32047;&#35745;&#20803;&#32032;&#24635;&#21644;</span><span
lang=EN-US> <br>
cumprod(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#32047;&#35745;&#20803;&#32032;&#24635;&#20056;&#31215;</span><span
lang=EN-US> <br>
dot(x,&nbsp;y):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#20869;&#31215;</span><span lang=EN-US> <br>
cross(x,&nbsp;y):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</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;&#22806;&#31215;&#65288;&#22823;&#37096;&#20221;&#30340;&#21521;&#37327;&#20989;&#25968;&#20063;&#21487;&#36866;<span
class=GramE>&#29992;&#26044;</span>&#30697;&#38453;&#65292;&#35814;&#35265;&#19979;&#36848;&#12290;&#65289;</span><span
lang=EN-US> &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;&#36755;&#20837;&#30697;&#38453;&#65292;&#21017;&#24517;&#39035;&#22312;&#27599;&#19968;&#21015;&#32467;&#23614;&#21152;&#19978;&#20998;&#21495;&#65288;&#65307;&#65289;&#65292;&#22914;&#19979;&#20363;&#65306;</span><span
lang=EN-US>&nbsp; <br>
<br>
<br>
A&nbsp;=&nbsp;[1&nbsp;2&nbsp;3&nbsp;4;&nbsp;5&nbsp;6&nbsp;7&nbsp;8;&nbsp;9&nbsp;10&nbsp;11&nbsp;12];&nbsp;
<br>
<br>
A&nbsp; <br>
<br>
A&nbsp;=&nbsp; <br>
<br>
1&nbsp;2&nbsp;3&nbsp;4&nbsp; <br>
<br>
5&nbsp;6&nbsp;7&nbsp;8&nbsp; <br>
<br>
9&nbsp;10&nbsp;11&nbsp;12&nbsp; <br>
<br>
<br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21516;&#26679;&#22320;&#65292;&#25105;&#20204;&#21487;&#20197;&#23545;&#30697;&#38453;&#36827;&#34892;&#21508;&#31181;&#22788;&#29702;&#65306;</span>
</span><span lang=EN-US><br>
<br>
<br>
<span class=content>A(2,3)&nbsp;=&nbsp;5&nbsp;%&nbsp;</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#25913;&#21464;&#20301;<span
class=GramE>&#26044;</span>&#31532;&#20108;&#21015;&#65292;&#31532;&#19977;&#34892;&#30340;&#20803;&#32032;&#20540;</span><span
lang=EN-US>&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>A&nbsp;=&nbsp; </span><br>
<br>
<span class=content>1&nbsp;2&nbsp;3&nbsp;4&nbsp; </span><br>
<br>
<span class=content>5&nbsp;6&nbsp;5&nbsp;8&nbsp; </span><br>
<br>
<span class=content>9&nbsp;10&nbsp;11&nbsp;12&nbsp; </span><br>
<br>
<br>
<span class=content>B&nbsp;=&nbsp;A(2,1:3)&nbsp;%&nbsp;</span></span><span
class=GramE><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21462;&#20986;&#37096;</span></span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20221;&#30697;&#38453;</span><span
lang=EN-US>B&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>B&nbsp;=&nbsp; </span><br>
<br>
<span class=content>5&nbsp;6&nbsp;5&nbsp; </span><br>
<br>
<br>
<span class=content>A&nbsp;=&nbsp;[A&nbsp;B']&nbsp;%&nbsp;</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23558;</span><span lang=EN-US>B</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#36716;&#32622;<span class=GramE>&#24460;</span>&#20197;&#34892;&#21521;&#37327;&#24182;&#20837;</span><span
lang=EN-US>A&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>A&nbsp;=&nbsp; </span><br>
<br>
<span class=content>1&nbsp;2&nbsp;3&nbsp;4&nbsp;5&nbsp; </span><br>
<br>
<span class=content>5&nbsp;6&nbsp;5&nbsp;8&nbsp;6&nbsp; </span><br>
<br>
<span class=content>9&nbsp;10&nbsp;11&nbsp;12&nbsp;5&nbsp; </span><br>
<br>
<br>
<span class=content>A(:,&nbsp;2)&nbsp;=&nbsp;[]&nbsp;%&nbsp;</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21024;&#38500;&#31532;&#20108;&#34892;&#65288;&#65306;&#20195;&#34920;&#25152;&#26377;&#21015;&#65289;</span><span
lang=EN-US>&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>A&nbsp;=&nbsp; </span><br>
<br>
<span class=content>1&nbsp;3&nbsp;4&nbsp;5&nbsp; </span><br>
<br>
<span class=content>5&nbsp;5&nbsp;8&nbsp;6&nbsp; </span><br>
<br>
<span class=content>9&nbsp;11&nbsp;12&nbsp;5&nbsp; </span><br>
<br>
<br>
<span class=content>A&nbsp;=&nbsp;[A;&nbsp;4&nbsp;3&nbsp;2&nbsp;1]&nbsp;%&nbsp;</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21152;&#20837;&#31532;&#22235;&#21015;</span><span
lang=EN-US>&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>A&nbsp;=&nbsp; </span><br>
<br>
<span class=content>1&nbsp;3&nbsp;4&nbsp;5&nbsp; </span><br>
<br>
<span class=content>5&nbsp;5&nbsp;8&nbsp;6&nbsp; </span><br>
<br>
<span class=content>9&nbsp;11&nbsp;12&nbsp;5&nbsp; </span><br>
<br>
<span class=content>4&nbsp;3&nbsp;2&nbsp;1&nbsp; </span><br>
<br>
<br>
<span class=content>A([1&nbsp;4],&nbsp;:)&nbsp;=&nbsp;[]&nbsp;%&nbsp;</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21024;&#38500;&#31532;&#19968;&#21644;&#31532;&#22235;&#21015;&#65288;&#65306;&#20195;&#34920;&#25152;&#26377;&#34892;&#65289;</span><span
lang=EN-US>&nbsp; <span style='mso-tab-count:3'>牋牋牋牋牋牋牋牋牋 </span>&lt;gdptag
matlib tech</span></span><span class=content><span style='font-family:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21024;&#38500;&#34892;&#21015;</span>
<span lang=EN-US>&gt;</span></span><span lang=EN-US><br>
<br>
<span class=content>A&nbsp;=&nbsp; </span><br>
<br>
<span class=content>5&nbsp;5&nbsp;8&nbsp;6&nbsp; </span><br>
<br>
<span class=content>9&nbsp;11&nbsp;12&nbsp;5&nbsp; </span><br>
<br>
<br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#36825;&#20960;&#31181;&#30697;&#38453;&#22788;&#29702;&#30340;&#26041;&#24335;&#21487;&#20197;<span
class=GramE>&#30456;&#20114;&#21472;&#20195;&#36816;&#29992;</span>&#65292;&#20135;&#29983;&#21508;&#31181;&#24847;&#24819;&#19981;&#21040;&#30340;&#25928;&#26524;&#65292;&#23601;&#30475;&#21508;&#20301;&#30340;&#24039;&#24605;&#21644;</span></span><span
lang=EN-US><br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21019;&#24847;&#12290;</span></span><span
lang=EN-US><br>
<span class=content>&nbsp; </span><br>
</span><span class=content><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;</span></span><span class=content><span style='font-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#22312;</span><span
lang=EN-US>MATLAB</span></span><span class=content><span style='font-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#20869;&#37096;&#36164;&#26009;&#32467;&#26500;&#20013;&#65292;&#27599;&#19968;&#20010;&#30697;&#38453;&#37117;&#26159;&#19968;&#20010;&#20197;&#34892;&#20026;&#20027;&#65288;</span><span
lang=EN-US>Column-oriented</span></span><span lang=EN-US><br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#30340;&#38453;&#21015;&#65288;</span><span
lang=EN-US>Array</span></span><span class=content><span style='font-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#22240;&#27492;&#23545;<span
class=GramE>&#26044;</span>&#30697;&#38453;&#20803;&#32032;&#30340;&#23384;&#21462;&#65292;&#25105;&#20204;&#21487;&#29992;&#19968;&#32500;&#25110;&#20108;&#32500;&#30340;&#32034;&#24341;&#65288;</span><span
lang=EN-US>Index</span></span><span class=content><span style='font-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#26469;&#23450;</span></span><span
lang=EN-US><br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#22336;&#12290;&#20030;&#20363;&#26469;&#35828;&#65292;&#22312;&#19978;&#36848;&#30697;&#38453;</span><span
lang=EN-US>A</span></span><span class=content><span style='font-family:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#20013;&#65292;&#20301;<span
class=GramE>&#26044;</span>&#31532;&#20108;&#21015;&#12289;&#31532;&#19977;&#34892;&#30340;&#20803;&#32032;&#21487;&#20889;&#20026;</span><span
lang=EN-US>A(2,3)&nbsp;</span></span><span class=content><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#65288;&#20108;&#32500;&#32034;&#24341;&#65289;</span></span><span
lang=EN-US><br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#25110;</span><span
lang=EN-US>A(6)</span></span><span class=content><span style='font-family:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65288;&#19968;&#32500;&#32034;&#24341;&#65292;&#21363;&#23558;&#25152;&#26377;&#30452;&#34892;&#36827;&#34892;&#22534;&#21472;<span
class=GramE>&#24460;</span>&#30340;&#31532;&#20845;&#20010;&#20803;&#32032;&#65289;&#12290;</span><span
lang=EN-US>&nbsp; </span></span><span lang=EN-US><br>
<br>
</span><span class=content><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#27492;&#22806;&#65292;&#33509;&#35201;&#37325;&#26032;&#23433;&#25490;&#30697;&#38453;&#30340;&#24418;&#29366;&#65292;&#21487;&#29992;</span><span
lang=EN-US>reshape</span></span><span class=content><span style='font-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21629;&#20196;&#65306;</span><span
lang=EN-US>&nbsp; </span></span><span lang=EN-US><br>
<br>
<span class=content>B&nbsp;=&nbsp;reshape(A,&nbsp;4,&nbsp;2)&nbsp;%&nbsp;4</span></span><span
class=content><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#26159;&#26032;&#30697;&#38453;&#30340;&#21015;&#25968;&#65292;</span><span
lang=EN-US>2</span></span><span class=content><span style='font-