锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久99九九国产免费看小说,国产aⅴ激情无码久久,韩国免费A级毛片久久http://www.shnenglu.com/ice-fish/category/8636.html涓撴敞浜嶤++鎶鏈?/description>zh-cnSun, 26 Oct 2008 09:30:43 GMTSun, 26 Oct 2008 09:30:43 GMT60鍒ゆ柇鏄惁涓洪棸騫?/title><link>http://www.shnenglu.com/ice-fish/articles/65111.html</link><dc:creator>ice-fish</dc:creator><author>ice-fish</author><pubDate>Sun, 26 Oct 2008 08:58:00 GMT</pubDate><guid>http://www.shnenglu.com/ice-fish/articles/65111.html</guid><wfw:comment>http://www.shnenglu.com/ice-fish/comments/65111.html</wfw:comment><comments>http://www.shnenglu.com/ice-fish/articles/65111.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/ice-fish/comments/commentRss/65111.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/ice-fish/services/trackbacks/65111.html</trackback:ping><description><![CDATA[<blockquote dir=ltr style="MARGIN-RIGHT: 0px"> <p>紼嬪簭錛?br><strong>#include <iostream.h><br>void main()<br>{<br>int year;<br>cout<<"please input the year"<<endl;<br>cin>>year;<br>if(year%100==0)<br>{if(year%400==0)<br>cout<<"It is a leap year!"<<endl;<br>else<br>cout<<"It is not a leap year!"<<endl;<br>}<br>else<br>{if(year%4==0)<br>cout<<"It is a leap year!"<<endl;<br>else<br>cout<<"It is not a leap year"<<endl;<br>}<br>}<br></strong><br><br><br>濂藉儚榪欐槸涓叆闂ㄧ駭浣滃搧鍝︼紝涓寮濮嬫妸鍒ゆ柇鏉′歡鎼為敊錛岃繕涓鐩村湪鎬鐤?900騫翠負浠涔堟槸闂板勾錛屽懙鍛點?/p> </blockquote> <img src ="http://www.shnenglu.com/ice-fish/aggbug/65111.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/ice-fish/" target="_blank">ice-fish</a> 2008-10-26 16:58 <a href="http://www.shnenglu.com/ice-fish/articles/65111.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>姹?00-999涓殑姘翠粰鑺辨暟http://www.shnenglu.com/ice-fish/articles/65072.htmlice-fishice-fishSun, 26 Oct 2008 03:46:00 GMThttp://www.shnenglu.com/ice-fish/articles/65072.htmlhttp://www.shnenglu.com/ice-fish/comments/65072.htmlhttp://www.shnenglu.com/ice-fish/articles/65072.html#Feedback0http://www.shnenglu.com/ice-fish/comments/commentRss/65072.htmlhttp://www.shnenglu.com/ice-fish/services/trackbacks/65072.html

鍛靛懙錛屽彲鑳借繖涓棶棰樻瘮杈冪畝鍗曘備絾寮濮嬪垰鍒氭帴瑙︼紝铏界劧榪欎釜闂寰堢粡鍏革紝浣嗘垜鎯充簡姣旇緝涔呮墠鎶婂畠寮勫嚭鏉ャ傚洜涓哄湪pow鍑芥暟閭i噷鍗′綇浜嗭紝浣嗗悗鏉ユ參鎱㈢湅涔︼紝緇堜簬鎶婂畠緇欏紕鍑烘潵鍟︼紝鍚庢潵鍦ㄧ綉涓婃壘浜嗘壘瑙f硶錛屽彂鐜板拰鎴戠殑澶у悓灝忓紓錛岃繕鏄兂鎯蟲槸鍚︽湁鏇寸畝鍗曠殑瑙f硶鍚с?/p>

#include<iostream.h>

#include<math.h>

void main()

{

  int m,a,b,c,tmp;

  cout<<"The Narcissistic Number is "<<endl;

  for(m=100;m<=999;m++)

   {a=m/100;                 

    b=(m%100)/10;

    c=m%10;               //鎶婃暟鍒嗘垚涓変綅錛屽瓨鍦ㄤ笉鍚岀殑鍦版柟

    tmp=pow(a,3)+pow(b,3)+pow(c,3);        //姹傚嚭鍚勪綅鏁扮殑涓夋鏂逛箣鍜?o:p>

   if(tmp==m)

   cout<<m<<endl; //杈撳嚭璇ユ按浠欒姳鏁?o:p>

       

    }



ice-fish 2008-10-26 11:46 鍙戣〃璇勮
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浣跨敤榪唬鍏紡緙栫▼姹傛煇涓姝f暣鏁癮鐨勫鉤鏂規牴http://www.shnenglu.com/ice-fish/articles/65070.htmlice-fishice-fishSun, 26 Oct 2008 03:34:00 GMThttp://www.shnenglu.com/ice-fish/articles/65070.htmlhttp://www.shnenglu.com/ice-fish/comments/65070.htmlhttp://www.shnenglu.com/ice-fish/articles/65070.html#Feedback0http://www.shnenglu.com/ice-fish/comments/commentRss/65070.htmlhttp://www.shnenglu.com/ice-fish/services/trackbacks/65070.html

榪唬鍏紡鍏蜂綋涓篨n+1=(Xn+a/xn)/2  (n=0,1,2,3….;X0=a/2)錛岃繖鏄垜鐨勪竴嬈′綔涓氥?br>

#include<iostream.h>

#include<math.h>

void main()

{

float a,m,n;

cout<<"please input a positive integer"<<endl;

cout<<"a="<<endl;

cin>>a;

n=a/2;

m=(n+a/n)/2;

while(fabs(n-m)>1e-6)

{n=m;

m=(n+a/n)/2;

}
cout<<"The square root of a is"<<m<<endl;
}

 

鍛靛懙錛屽叧浜庣墰欏胯凱浠f硶錛屼紬浜虹爺絀剁敋澶氥?br>TIP1:
鐗涢】榪唬娉曪紙Newton's method錛夊張縐頒負鐗涢】-鎷夊か閫婃柟娉曪紙Newton-Raphson method錛夛紝瀹冩槸鐗涢】鍦?7涓栫邯鎻愬嚭鐨勪竴縐嶅湪瀹炴暟鍩熷拰澶嶆暟鍩熶笂榪戜技姹傝В鏂圭▼鐨勬柟娉曘傚鏁版柟紼嬩笉瀛樺湪姹傛牴鍏紡錛屽洜姝ゆ眰綺劇‘鏍歸潪甯稿洶闅撅紝鐢氳嚦涓嶅彲鑳斤紝浠庤屽鎵炬柟紼嬬殑榪戜技鏍瑰氨鏄懼緱鐗瑰埆閲嶈銆傛柟娉曚嬌鐢ㄥ嚱鏁癴(x)鐨勬嘲鍕掔駭鏁扮殑鍓嶉潰鍑犻」鏉ュ鎵炬柟紼媐(x) = 0鐨勬牴銆傜墰欏胯凱浠f硶鏄眰鏂圭▼鏍圭殑閲嶈鏂規硶涔嬩竴錛屽叾鏈澶т紭鐐規槸鍦ㄦ柟紼媐(x) = 0鐨勫崟鏍歸檮榪戝叿鏈夊鉤鏂規敹鏁涳紝鑰屼笖璇ユ硶榪樺彲浠ョ敤鏉ユ眰鏂圭▼鐨勯噸鏍廣佸鏍廣?

璁緍鏄痜(x) = 0鐨勬牴錛岄夊彇x0浣滀負r鍒濆榪戜技鍊鹼紝榪囩偣錛坸0,f(x0)錛夊仛鏇茬嚎y = f(x)鐨勫垏綰縇錛孡鐨勬柟紼嬩負y = f(x0)+f'(x0)(x-x0)錛屾眰鍑篖涓巟杞翠氦鐐圭殑妯潗鏍?x1 = x0-f(x0)/f'(x0)錛岀Оx1涓簉鐨勪竴嬈¤繎浼煎箋傝繃鐐癸紙x1,f(x1)錛夊仛鏇茬嚎y = f(x)鐨勫垏綰匡紝騫舵眰璇ュ垏綰夸笌x杞寸殑妯潗鏍?x2 = x1-f(x1)/f'(x1)錛岀Оx2涓簉鐨勪簩嬈¤繎浼煎箋傞噸澶嶄互涓婅繃紼嬶紝寰梤鐨勮繎浼煎煎簭鍒楋紝鍏朵腑x(n+1)=x(n)錛峟(x(n))/f'(x(n))錛岀О涓簉鐨刵+1嬈¤繎浼煎鹼紝涓婂紡縐頒負鐗涢】榪唬鍏紡銆?

瑙i潪綰挎ф柟紼媐(x)=0鐨勭墰欏挎硶鏄妸闈炵嚎鎬ф柟紼嬬嚎鎬у寲鐨勪竴縐嶈繎浼兼柟娉曘傛妸f(x)鍦▁0鐐歸檮榪戝睍寮鎴愭嘲鍕掔駭鏁?f(x) = f(x0)+(x錛峹0)f'(x0)+(x錛峹0)^2*f''(x0)/2! +… 鍙栧叾綰挎ч儴鍒嗭紝浣滀負闈炵嚎鎬ф柟紼媐(x) = 0鐨勮繎浼兼柟紼嬶紝鍗蟲嘲鍕掑睍寮鐨勫墠涓ら」錛屽垯鏈塮(x0)+f'(x0)(x錛峹0)=f(x)=0 璁緁'(x0)≠0鍒欏叾瑙d負x1=x0錛峟(x0)/f'(x0) 榪欐牱錛屽緱鍒扮墰欏挎硶鐨勪竴涓凱浠e簭鍒楋細x(n+1)=x(n)錛峟(x(n))/f'(x(n))銆?/cn>

TIP2:

鐩稿叧錛氳凱浠g畻娉曟槸鐢ㄨ綆楁満瑙e喅闂鐨勪竴縐嶅熀鏈柟娉曘傚畠鍒╃敤璁$畻鏈鴻繍綆楅熷害蹇侀傚悎鍋氶噸澶嶆ф搷浣滅殑鐗圭偣錛岃璁$畻鏈哄涓緇勬寚浠わ紙鎴栦竴瀹氭楠わ級榪涜閲嶅鎵ц錛屽湪姣忔鎵ц榪欑粍鎸囦護錛堟垨榪欎簺姝ラ錛夋椂錛岄兘浠庡彉閲忕殑鍘熷兼帹鍑哄畠鐨勪竴涓柊鍊箋?br>渚嬪錛屽綋鎴戜滑瑕佽В鍐充竴涓浉鍏抽掑闂鏃訛紝鍒╃敤璁$畻鏈虹殑浼樺娍鍙互璁捐鍑虹浉鍏崇殑紼嬪簭鏉ュ揩閫熸眰寰楄В銆?br>濡傞錛?涓涓ゲ鍏誨満寮曡繘涓鍙垰鍑虹敓鐨勬柊鍝佺鍏斿瓙錛岃繖縐嶅厰瀛愪粠鍑虹敓鐨勪笅涓涓湀寮濮嬶紝姣忔湀鏂扮敓涓鍙厰瀛愶紝鏂扮敓鐨勫厰瀛愪篃濡傛綣佹畺銆傚鏋滄墍鏈夌殑鍏斿瓙閮戒笉姝誨幓錛岄棶鍒扮 12 涓湀鏃訛紝璇ラゲ鍏誨満鍏辨湁鍏斿瓙澶氬皯鍙紵
鍛靛懙錛屽張鏄厰瀛愰棶棰橈紝榪欐槸涓濊礬姣旇緝娓呮錛岃В娉曟瘮杈冪畝鍗曠殑涓閬撻錛?br>榪欐槸涓涓吀鍨嬬殑閫掓帹闂銆傛垜浠笉濡ㄥ亣璁劇 1 涓湀鏃跺厰瀛愮殑鍙暟涓?u1 錛岀2涓湀鏃跺厰瀛愮殑鍙暟涓簎2,絎?涓湀鏃跺厰瀛愮殑鍙暟涓簎3錛?#8230;…鏍規嵁棰樻剰錛?#8220;榪欑鍏斿瓙浠庡嚭鐢熺殑涓嬩竴涓湀寮濮嬶紝姣忔湀鏂扮敓涓鍙厰瀛?#8221;錛屽垯鏈?
U1錛?,U 2錛漊1錛婾1×1錛?,U3錛漊2+U2×1錛?,……
鏍規嵁榪欎釜瑙勫緥錛屽彲浠ュ綊綰沖嚭涓嬮潰鐨勯掓帹鍏紡錛?nbsp;
U n 錛?nbsp;U (n-1)× 2 (n ≥ 2) ,瀵瑰簲 Un 鍜?nbsp;U n 錛?1 錛屽畾涔変袱涓凱浠e彉閲?y 鍜?x 錛屽彲灝嗕笂闈㈢殑閫掓帹鍏紡杞崲鎴愬涓嬭凱浠e叧緋伙細
y=x*2
x=y
璁╄綆楁満瀵硅繖涓凱浠e叧緋婚噸澶嶆墽琛?11 嬈★紝灝卞彲浠ョ畻鍑虹 12 涓湀鏃剁殑鍏斿瓙鏁般?/p>

ice-fish 2008-10-26 11:34 鍙戣〃璇勮
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