📄 ch4_8_2.htm

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<HTML><HEAD>   <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">   <META NAME="GENERATOR" CONTENT="Mozilla/4.0b3 [en] (Win95; I) [Netscape]">   <TITLE>  While &deg;j&deg;&eacute; </TITLE><! Made by Html Translation Ver 1.0></HEAD><BODY BACKGROUND="bg0000-1.gif" tppabs="http://webclass.ncu.edu.tw/~junwu/bg0000.gif"><H1><FONT COLOR="#0000FF">4.8.2 While &deg;j&deg;&eacute;</FONT></H1><HR><BR><BR><FONT COLOR="#FF0000">while</FONT> &deg;j&deg;&eacute;&not;O&yen;&Icirc;&brvbar;b&middot;&iacute;&ordm;&iexcl;&uml;&not;&not;Y&uml;&Ccedil;&plusmn;&oslash;&yen;&oacute;&laquo;h&shy;&laquo;&frac12;&AElig;&deg;&otilde;&brvbar;&aelig;&ordf;&ordm;&ordm;&acirc;&brvbar;&iexcl;&iexcl;A&yen;&brvbar;&ordf;&ordm;&micro;&sup2;&ordm;c&brvbar;p&curren;U&iexcl;G<BR><BR><FONT COLOR="#FF0000">while expression</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">command group A</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">end</FONT>&nbsp;<BR><BR>&uml;&Ograve;&brvbar;p&iexcl;G<BR><BR><FONT COLOR="#FF0000">sum = 0;</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">k = 1;</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">while x(k) >= 0 &amp; k &lt;= length(k)</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">sum = sum + x(k);</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">k = k+1;</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">end</FONT>&nbsp;<BR><BR>&para;&middot;&ordf;`&middot;N&ordf;&ordm;&not;O&brvbar;b&sup3;]&copy;w&plusmn;&oslash;&yen;&oacute;&reg;&Eacute;&shy;n&brvbar;&Ograve;&frac14;{&para;g&yen;&thorn;&iexcl;A&sect;_&laquo;h&middot;|&sup2;&pound;&yen;&Iacute;&micro;L&ordf;k&micro;&sup2;&sect;&ocirc;&ordf;&ordm;&deg;j&deg;&eacute;&iexcl;C<BR><BR>&brvbar;&sup1;&yen;~&Aacute;&Ugrave;&brvbar;&sup3;&curren;@&shy;&Oacute;<FONT COLOR="#FF0000">break</FONT> &ordf;&ordm;&laquo;&uuml;&yen;O&iexcl;A&not;O&yen;&Icirc;&uml;&Oacute;&cedil;&otilde;&yen;X&deg;j&deg;&eacute;&iexcl;A&yen;i&yen;H&yen;&Icirc;&brvbar;b&curren;W&shy;z&ordf;&ordm;<FONT COLOR="#FF0000">for, while</FONT> &ordf;&ordm;&micro;&sup2;&ordm;c&curren;&curren;&iexcl;C&uml;&Ograve;&brvbar;p&iexcl;G<BR><BR><FONT COLOR="#FF0000">>> num=0; EPS=1; % &sup3;o&shy;&Oacute;&uml;&Ograve;&curren;l&not;O&sect;&auml;&yen;XMATLAB&yen;i&shy;p&ordm;&acirc;&uml;&igrave;&sup3;&Igrave;&curren;p&ordf;&ordm;&yen;&iquest;&shy;&Egrave;</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">>> for num=1:1000 % EPS&plusmn;q1&shy;p&ordm;&acirc;&deg;_&iexcl;A&sup1;w&sup3;]&shy;n&shy;p&ordm;&acirc;&brvbar;&cedil;&frac14;&AElig;num&not;&deg;1000</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">EPS=EPS/2; % &uml;C&brvbar;&cedil;&plusmn;NEPS&acute;&icirc;&curren;&Ouml;&curren;@&yen;b</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">if (1+EPS) &lt;= 1 % &shy;p&ordm;&acirc;&uml;&igrave;&sup3;&Igrave;&laquo;&aacute;&ordf;&frac12;&uml;&igrave;EPS&curren;&Oacute;&curren;p&uml;&Iuml;&plusmn;o1+EPS &curren;p&copy;&oacute;&micro;&yen;&copy;&oacute; 1</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">break % &brvbar;p&ordf;G&ordm;&iexcl;&uml;&not;&curren;W&shy;z&plusmn;&oslash;&yen;&oacute;&sect;Y&cedil;&otilde;&yen;X&deg;j&deg;&eacute;</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">end</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">end</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">>> EPS, num</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">>> EPS =</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">1.1102e-016</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">>> num =</FONT>&nbsp;<BR><BR><FONT COLOR="#FF0000">53<HR><A HREF="ch4_8_1.htm" tppabs="http://webclass.ncu.edu.tw/~junwu/ch4_8_1.htm"><IMG SRC="lastpage-1.gif" tppabs="http://webclass.ncu.edu.tw/~junwu/lastpage.gif" BORDER=0 ></A></FONT>&nbsp;<A HREF="ch5.htm" tppabs="http://webclass.ncu.edu.tw/~junwu/ch5.htm"><IMG SRC="nextpage.gif" tppabs="http://webclass.ncu.edu.tw/~junwu/nextpage.gif" HSPACE=10 BORDER=0 ></A>&nbsp;<A HREF="index.html" tppabs="http://webclass.ncu.edu.tw/~junwu/index.html"><IMG SRC="outline.gif" tppabs="http://webclass.ncu.edu.tw/~junwu/outline.gif" HSPACE=6 BORDER=0 ></A><BR><FONT COLOR="#AA55FF"><FONT SIZE=-1>&curren;W&curren;@&shy;&para;&iexcl;@&curren;U&curren;@&shy;&para;&iexcl;@&Aacute;&iquest;&cedil;q&curren;j&ordm;&otilde;</FONT></FONT></BODY></HTML>
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