锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产69精品久久久久99,香蕉久久影院,精品无码久久久久久午夜 http://www.shnenglu.com/zhaoyao91/category/16439.html瀛︿範鎬葷粨涓庣粡楠屼氦嫻?/description>zh-cn Mon, 11 Apr 2011 19:19:48 GMT Mon, 11 Apr 2011 19:19:48 GMT 60 PointerPool(鎸囬拡姹? http://www.shnenglu.com/zhaoyao91/archive/2011/04/11/143952.html浠婃櫄鎵撹佽檸 浠婃櫄鎵撹佽檸 Mon, 11 Apr 2011 08:13:00 GMT http://www.shnenglu.com/zhaoyao91/archive/2011/04/11/143952.html http://www.shnenglu.com/zhaoyao91/comments/143952.html http://www.shnenglu.com/zhaoyao91/archive/2011/04/11/143952.html#Feedback 5 http://www.shnenglu.com/zhaoyao91/comments/commentRss/143952.html http://www.shnenglu.com/zhaoyao91/services/trackbacks/143952.html 闃呰鍏ㄦ枃 ]]> LHRODT(闈為掑綊姹傝В搴︽暟涓?鐨勭嚎鎬ч綈嬈℃柟紼嬬殑絎琻欏癸級 http://www.shnenglu.com/zhaoyao91/archive/2011/04/04/143401.html浠婃櫄鎵撹佽檸 浠婃櫄鎵撹佽檸 Mon, 04 Apr 2011 06:40:00 GMT http://www.shnenglu.com/zhaoyao91/archive/2011/04/04/143401.html http://www.shnenglu.com/zhaoyao91/comments/143401.html http://www.shnenglu.com/zhaoyao91/archive/2011/04/04/143401.html#Feedback 0 http://www.shnenglu.com/zhaoyao91/comments/commentRss/143401.html http://www.shnenglu.com/zhaoyao91/services/trackbacks/143401.html 銆銆濡傞錛屽埄鐢ㄩ潪閫掑綊鍔炴硶瑙e喅a(n) = r1*a(n-1) + r2*a(n-2)闂銆傚叾涓枑娉㈤偅濂戞暟鍒楀嵆涓簉1 = r2 = a1 = a2 = 1鐨勭壒渚嬨?br>銆銆鍑芥暟鏀寔涓ょ鐗堟湰鐨勮皟鐢紝涓縐嶆槸瀹屽叏鐗堬紝涓縐嶆槸綆媧佺増銆傚畬鍏ㄧ増闇瑕侊紩涓弬鏁皉1 r2 a1 a2 n錛岀畝媧佺増鍙渶瑕佷竴涓弬鏁皀銆傚叿浣撲嬌鐢ㄦ柟娉曡浠g爜娉ㄩ噴銆?/p>
/**/ /* ******************************************************************************** *鍚嶇О:LHRODT.h *鐗堟湰鍙?0.1 *浣滆?璧佃(涓北澶у2010綰? *鏃墮棿:2011.4.4 *綆浠? * linear homogeneous relation of degree two鐨勮綆楀嚱鏁?褰㈠: * a(n) = r1*a(n-1) + r2*a(n-2) * 榪欐牱鐨勯掑綊鏁板垪錛屽彧闇璋冪敤鍑芥暟 * LHRODT( r1, r2, a1, a2, n ) * 鍗沖彲榪斿洖鏁板垪鐨勭a(n)欏?r1,r2,a1,a2鍧囦負double綾誨瀷,n涓篿nt綾誨瀷,榪斿洖綾誨瀷涓篸ouble). * 榪欓噷r1,r2涓哄叕寮忎腑r1,r2,鑰宎1,a2涓烘暟鍒楃殑澶翠袱欏?n涓虹鍑犻」.鍑芥暟甯︾紦瀛樺姛鑳?鍗崇涓嬈?br> * 璋冪敤鍚?涓嬫璋冪敤鍙互鍙緭鍏?br> * LHRODT( n ) * . * *鏈畬鎴愮壒鎬? * 1.涓嶅惈鏈夋暟鎹嫻嬪姛鑳?濡傛灉杈撳叆鐨勬暟鎹棤瑙?鍒欎細榪斿洖0. * 2.綆媧佺増鐨勮皟鐢ㄤ笉鍖呭惈鏉′歡媯嫻嬫満鍒?濡傛灉涓嶆弧瓚蟲潯浠朵緷鐒朵細璋冪敤,浣嗘槸榪斿洖0. * 3.鏈惈鏈夎寖鍥存嫻嬪姛鑳斤紝濡傛灉鏁版嵁鍑芥暟緇撴灉澧為暱寰堝揩錛屾湁鍙兘鍑虹幇鏁版嵁婧㈠嚭鑰屾病鏈変換浣曟彁紺? *宸茬煡bug: * 1.鏃犳硶澶勭悊鏃犺В鏁版嵁鐨勮緭鍏? * 2.綆媧佺増鍦ㄦ湭璋冪敤瀹屽叏鐗堟垨鑰呭畬鍏ㄧ増璋冪敤澶辮觸鐨勬儏鍐典笅鍙繑鍥?. * 3.鍙兘鍦ㄦ病鏈変換浣曟彁紺虹殑鎯呭喌涓嬪嚭鐜版暟鎹孩鍑? *鐗堟潈淇℃伅: * 璇ヤ唬鐮佷負寮婧愪唬鐮?鍘熶綔鑰呬繚鐣欏叾鎵鏈夋潈.浣犲彲浠ユ嫹璐?淇敼,浣跨敤璇ヤ唬鐮?浣嗘槸璇蜂繚鐣欏繀 * 瑕佺殑鐗堟潈淇℃伅. ******************************************************************************** */ #ifndef LHRODT_H#define LHRODT_H #include < cmath > using std::pow; class fsLHRODT // fs = function support { public : fsLHRODT(); double operator ()( double , double , double , double , int ); double operator ()( int ); private : double x1; // x1 x2 u1 u2 det 鍧囦負璁$畻榪囩▼鐨勪腑闂村彉閲?/span> double x2; // result 涓烘渶鍚庣粨鏋滅殑涓存椂鍌ㄥ瓨 double u1; double u2; double det; double result; bool flag; // 鏍囪瀹屽叏鐗堢殑鍑芥暟鏄惁琚皟鐢ㄨ繃 } ; fsLHRODT::fsLHRODT() : x1( 0 ), x2( 0 ), u1( 0 ), u2( 0 ), det( 0 ), result( 0 ), flag( false ) { } double fsLHRODT:: operator ()( double r1, double r2, double a1, double a2, int n ) { flag = true ; det = r1 * r1 + 4 * r2; if ( det < 0 ) // det灝忎簬0璇存槑杈撳叆鐨勬暟鎹笉鍚堟硶,涓嶈兘鎸夌収鍏紡璁$畻,騫朵笖涓嬫涓嶈兘鐩存帴璋冪敤綆媧佺増鍑芥暟 { flag = false ; return 0 ; } else if ( det > 0 ) { det = sqrt( det ); x1 = ( r1 + det ) / 2 ; x2 = ( r1 - det ) / 2 ; u1 = ( a1 * x2 - a2 ) / ( x1 * ( x2 - x1 ) ); u2 = ( a2 * x1 - a1 ) / ( x2 * ( x1 - x2 ) ); result = u1 * pow( x1, n ) + u2 * pow( x2, n ); return result; } else { x1 = r1 / 2 ; u2 = ( a2 - x1 * a1 ) / x1 * x1; u1 = a1 / x1 - u2; result = ( u1 + u2 * n ) * pow( x1, n ); return result; } }double fsLHRODT:: operator ()( int n ) { if ( flag ) { if ( det < 0 ) return 0 ; else if ( det > 0 ) { result = u1 * pow( x1, n ) + u2 * pow( x2, n ); return result; } else { result = ( u1 + u2 * n ) * pow( x1, n ); return result; } } else return 0 ; } fsLHRODT LHRODT;#endif
]]> probability(姒傜巼鍙戠敓鍣? http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143359.html浠婃櫄鎵撹佽檸 浠婃櫄鎵撹佽檸 Sun, 03 Apr 2011 11:56:00 GMT http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143359.html http://www.shnenglu.com/zhaoyao91/comments/143359.html http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143359.html#Feedback 3 http://www.shnenglu.com/zhaoyao91/comments/commentRss/143359.html http://www.shnenglu.com/zhaoyao91/services/trackbacks/143359.html 銆銆鍙湁涓涓猟ouble鍙傛暟錛屼互鐧懼垎姣旂殑褰㈠紡緇欏嚭鍙戠敓姒傜巼銆傚垯鍑芥暟姣忔璋冪敤鎸夌収榪欎釜姒傜巼榪斿洖true銆?br>銆銆鎻愮ず錛氬嚱鏁板唴閮ㄤ細璋冪敤srand( time( 0 ) )銆傜壒鍒儏鍐典笅闇璋ㄦ厧銆?br>
#ifndef PROBABILITY_H #define PROBABILITY_H #include < cstdlib > #include < iostream > #include < ctime > using namespace std; bool probability( double p ) // 澶ф鑳界簿紜埌灝忔暟鐐瑰悗涓浣?/span>{ double happeness; static bool flag = false ; if ( flag == false ) { srand( time( NULL ) ); flag = true ; } /**/ /* happeness = rand() % 10001; happeness /= 100; 榪欐牱鐨勮繍綆楀緱鍒扮殑鍊兼鐜囨槸涓嶆弧瓚抽鎰忕殑銆?br> 鎵浠and() % 榪欐牱鐨勮繍綆楀叾瀹炲茍娌℃湁瀹炵幇鐪熸鐨勫叕騫抽殢鏈恒?br> */ happeness = rand(); happeness /= RAND_MAX; happeness *= 100 ; return ( happeness <= p ); } #endif
]]>findAnWithDegreeOfTwo(璁$畻搴︽暟涓?鐨勯綈嬈¢掑綊鏁板垪鐨勭n欏? http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143358.html浠婃櫄鎵撹佽檸 浠婃櫄鎵撹佽檸 Sun, 03 Apr 2011 11:53:00 GMT http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143358.html http://www.shnenglu.com/zhaoyao91/comments/143358.html http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143358.html#Feedback 4 http://www.shnenglu.com/zhaoyao91/comments/commentRss/143358.html http://www.shnenglu.com/zhaoyao91/services/trackbacks/143358.html a(n) = r1*a(n-1) + r2*a(n-2)銆銆 鍏朵腑r1 r2鏄父鏁幫紝a1 a2宸茬煡錛屾寜鐓ч『搴廰1 a2 r1 r2 n杈撳叆鍙傛暟錛屽垯榪斿洖榪欐牱涓涓掑綊鏁板垪鐨勭n欏瑰箋傜被鍨嬪潎涓篸ouble
#ifndef FINDAN_H #define FINDAN_H #include < cmath > // a(n) = r1*a(n-1) + r2*a(n-2), give the a1, a2, r1, r2 and n double findAnWithDegreeOfTwo( double a1, double a2, double r1, double r2, int n ) { double x1; double x2; double u1; double u2; double det = r1 * r1 + 4 * r2; double result; if ( det < 0 ) return 0 ; else if ( det > 0 ) { det = sqrt( det ); x1 = ( r1 + det ) / 2 ; x2 = ( r1 - det ) / 2 ; u1 = ( a1 * x2 - a2 ) / ( x1 * ( x2 - x1 ) ); u2 = ( a2 * x1 - a1 ) / ( x2 * ( x1 - x2 ) ); result = u1 * pow( x1, n ) + u2 * pow( x2, n ); return result; } else { x1 = r1 / 2 ; u2 = ( a2 - x1 * a1 ) / x1 * x1; u1 = a1 / x1 - u2; result = ( u1 + u2 * n ) * pow( x1, n ); return result; } }#endif
]]> Zeller(璁$畻鏌愪竴澶╂槸鏄熸湡鍑狅級 http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143357.html浠婃櫄鎵撹佽檸 浠婃櫄鎵撹佽檸 Sun, 03 Apr 2011 11:47:00 GMT http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143357.html http://www.shnenglu.com/zhaoyao91/comments/143357.html http://www.shnenglu.com/zhaoyao91/archive/2011/04/03/143357.html#Feedback 0 http://www.shnenglu.com/zhaoyao91/comments/commentRss/143357.html http://www.shnenglu.com/zhaoyao91/services/trackbacks/143357.html 銆銆杈撳叆涓変釜鍙傛暟鍒嗗埆琛ㄧず騫淬佹湀銆佹棩錛岃繑鍥炰竴涓猧nt鏁板瓧錛屼唬琛ㄨ繖涓澶╂槸鏄熸湡鍑犮傝綆楄繃紼嬮噰鐢ㄨ敗鍕掑叕寮忋?/p>
#ifndef ZELLER_H #define ZELLER_H int Zeller( int y, int m, int d ) { int c; if ( m <= 2 ) { m += 12 ; y -- ; } c = y / 100 ; y %= 100 ; int w = ( y + (y / 4 ) + (c / 4 ) - 2 * c + ( 26 * (m + 1 ) / 10 ) + d - 1 ) % 7 ; if ( w <= 0 ) w += 7 ; return w; } #endif
]]>
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