线代求解答！！！急？ 线性代数求大神解答！！！！急急急
\u7ebf\u4ee3\u6c42\u89e3\u7b54\u7ebf\u4ee3\u8bfe\u672c\u6709\u4e00\u9875\u5c31\u8bf4\u8fd9\u4e2a\u95ee\u9898\u4e86\u3002\u56e0\u4e3a\u6c42\u67d0\u4e2a\u5143\u7d20\u7684\u4ee3\u6570\u4f59\u5b50\u5f0f\uff0c\u4e0e\u8fd9\u4e2a\u5143\u7d20\u6240\u5728\u7684\u884c\u548c\u5217\u7684\u5143\u7d20\u6ca1\u6709\u5173\u7cfb\u3002\u5177\u4f53\u7684\uff1a
\u8bbeA\u662f\u4e00\u4e2an\u9636\u884c\u5217\u5f0f \u6c42aij \u7684\u4ee3\u6570\u4f59\u5b50\u5f0f
1\u3001\u628a\u884c\u5217\u5f0f\u7684\u7b2ci\u884c \u7b2cj\u5217\u53bb\u6389 \u5f97\u5230\u7684\u65b0\u884c\u5217\u5f0f\u7684\u503c \u5c31\u662faij\u7684\u4f59\u5b50\u5f0f \u8bb0\u4f5cMij
2\u3001Mij\u518d\u4e58\u4ee5(-1)^(i+j) \u5c31\u5f97\u5230aij\u7684\u4ee3\u6570\u4f59\u5b50\u5f0f \u8bb0\u4f5cAij
Aij=[ (-1)^(i+j) ] * Mij
1 1 0 0 1 0 0 0
2 -1 0 0 0 1 0 0
0 0 3 0 0 0 1 0
0 0 4 4 0 0 0 1
\u7b2c2\u884c, \u51cf\u53bb\u7b2c1\u884c\u00d72
1 1 0 0 1 0 0 0
0 -3 0 0 -2 1 0 0
0 0 3 0 0 0 1 0
0 0 4 4 0 0 0 1
\u7b2c4\u884c, \u51cf\u53bb\u7b2c3\u884c\u00d743
1 1 0 0 1 0 0 0
0 -3 0 0 -2 1 0 0
0 0 3 0 0 0 1 0
0 0 0 4 0 0 -43 1
\u7b2c4\u884c, \u63d0\u53d6\u516c\u56e0\u5b504
1 1 0 0 1 0 0 0
0 -3 0 0 -2 1 0 0
0 0 3 0 0 0 1 0
0 0 0 1 0 0 -13 14
\u7b2c3\u884c, \u63d0\u53d6\u516c\u56e0\u5b503
1 1 0 0 1 0 0 0
0 -3 0 0 -2 1 0 0
0 0 1 0 0 0 13 0
0 0 0 1 0 0 -13 14
\u7b2c2\u884c, \u63d0\u53d6\u516c\u56e0\u5b50-3
1 1 0 0 1 0 0 0
0 1 0 0 23 -13 0 0
0 0 1 0 0 0 13 0
0 0 0 1 0 0 -13 14
\u7b2c1\u884c, \u52a0\u4e0a\u7b2c2\u884c\u00d7-1
1 0 0 0 13 13 0 0
0 1 0 0 23 -13 0 0
0 0 1 0 0 0 13 0
0 0 0 1 0 0 -13 14
\u5f97\u5230\u9006\u77e9\u9635
13 13 0 0
23 -13 0 0
0 0 13 0
0 0 -13 14
1A 2C 3D 4D 5B
6(A)(1，2，3；2，4，6；3，6，9)
(B)(3)
7 (- m)³m＝ - m^4
不懂，求采纳
ACDDB
(1 2 3
4 4 6
3 6 9) 14
-m^4
X=B-A
Y=A^T+B^T 自己带入
绛旓細銆愬垎鏋愩戞垜浠緢瀹规槗鍙戠幇姣忎竴琛屽厓绱犱箣鍜岄兘鐩稿悓銆傘瑙ｇ瓟銆戝皢鎵鏈夊垪閮藉姞鍒扮1鍒楋紝绗1鍒椾负危ai + 1锛屾彁鍙栧叕鍥犳暟 危ai+1锛岀1鍒楀叏涓1 锛侊紒锛绗1鍒椕(-a2)鍔犲埌绗2鍒楋紝绗1鍒椕(-a3)鍔犲埌绗3鍒楋紝...锛岀1鍒椕(-an)鍔犲埌绗琻鍒 鍙ｇ畻缁撴灉涓 锛 Dn= (危ai + 1)銆愯瘎娉ㄣ戝儚杩欐牱璁＄畻鎵鏈...
绛旓細瑙ｇ瓟:鏍规嵁棰樻剰:鐩寸嚎L:y=k(x-4);鎶涚墿绾:y^2=4x; (K鈮0)鑱旂珛涓ゅ紡瀛愶紝鏁寸悊鍙緱:k^2X^2-(8k^2+4)x+16K^2=0;鏍规嵁闊﹁揪瀹氱悊:X1+X2=8+k^2/4;X1X2=16;鎵浠:y1+y2=k(x1-4)+k(x2-4)=K(X1+X2)-8K=4/k;(K鈮0)鍥犳:AP鐨勪腑鐐筼(X1/2+2;y1/2)涓哄渾蹇;鍗婂緞R=|AP|/2=...
绛旓細1.CA-B=2C锛屾墍浠(A-2E)=B锛屼箣鍚庢眰鍑篈-2E鐨勯嗙煩闃碉紝鐒跺悗鐢˙脳(A-2E)^(-1)灏辨槸鐭╅樀C銆 2.棣栧厛璇佹槑鍚戦噺缁刵1+n2,n2+n3,n3+n1鏄疉x=0鐨勮В锛 杩欏緢鏄庢樉锛屽洜涓篈(n1+n2)=0锛孉(n2+n3)=0锛孉(n3+n1)=0锛屾墍浠ュ悜閲忕粍n1+n2,n2+n3,n3+n1鏄疉x=0鐨勮В銆 鎺ヤ笅鏉ヨ瘉鏄庡悜閲忕粍n1+n2,n2+...
绛旓細浣犲ソ锛佹妸绗竴琛屼箻-1鍔犲埌鍏跺畠鍚勮锛屽氨鍖栨垚浜嗕笂涓夎琛屽垪寮忥紝绛旀鏄痭!(-1)^(n-1)銆傜粡娴庢暟瀛﹀洟闃熷府浣瑙ｇ瓟锛岃鍙婃椂閲囩撼銆傝阿璋紒
绛旓細銆愬垎鏋愩戣嫢n闃惰鍒楀紡涓浂鍏冪礌鐨勪釜鏁板ぇ浜 n²-n锛岄偅涔堣鍒楀紡Dn=0 銆瑙ｇ瓟銆慏4涓浂鍏冪礌澶т簬4²-4锛岄偅涔堝繀鐒舵湁涓琛屽厓绱犲叏涓0锛孌4=0 newmanhero 2015骞7鏈13鏃15:32:34 甯屾湜瀵逛綘鏈夋墍甯姪锛屾湜閲囩撼銆
绛旓細AA*=A*A=|A|E銆傝嫢A鍙嗭紝涓婅堪绛夊紡宸︿箻锛屾垨鑰呭彸涔 A-1锛屽垯A*=|A|A-1銆傛敞鎰 锛侊紒锛鏄嫢A鍙嗐備絾鏄鏋淎涓嶅彲閫嗭紝鍒欐棤娉曞乏涔樻垨鑰呭彸涔楢-1锛屽洜涓篈-1鏄笉瀛樺湪鐨勩侫*=|A|A-1锛屾鍏紡鎴愮珛绛変环浜嶢鍙嗭紝绛変环浜巖(A)=n锛岀瓑浠蜂簬|A|鈮0 浣犵殑鍋氶杩囩▼灏辨槸鍋囪r(A)=n锛屾墍浠(A)=n newm...
绛旓細姹傝В鍚戦噺鐨勬瀬澶х嚎鎬ф棤鍏崇粍锛岄渶瑕佸鍚戦噺杩涜鍒濈瓑琛屽彉鎹紝姹傚嚭绉 銆瑙ｇ瓟銆戝鐭╅樀锛坅1锛宎2锛宎3锛宎4锛変綔鍒濈瓑琛屽彉鎹紝寰 1 2 0 3 0 -1 1 -1 0 0 0 0 0 0 0 0 绉╀负2锛屾瀬澶х嚎鎬ф棤鍏崇粍涓篴1锛宎2 a3=2a1-a2 a4=a1+a2 newmanhero 2015骞1鏈18...
绛旓細瑙ｅ涓嬪浘鎵绀
绛旓細x=-4锛寉=5锛屽洜涓篴鐩镐技浜庡瑙掗樀锛屾墍浠ヤ袱涓殑鐗瑰緛鍊肩浉鍚岋紝鐒跺悗寰呭畾绯绘暟娉曞氨绠楀嚭鏉ヤ簡銆傚悗闈灏辨槸鐗瑰緛鍊煎搴旂殑鐗瑰緛鍚戦噺鎷煎湪涓璧峰氨鏄簡锛岃瀵瑰簲涓庡瑙掗樀鐨勭壒寰佸奸『搴忋傚鏋滄弧鎰忚鍙婃椂閲囩撼鍝︺
绛旓細瑙ｏ細鏄剧劧锛寉=A41+A42 = | a b c d 3 3 4 4 1 5 6 7 1 1 0 0 | 鍙 鍘熻鍒楀紡鍊间负k 2k= | a b c d 3 3 4 4 1 5 6 7 2 2 4 4 | = | a b c d 3 3 4 4 1 5 6 7 -1,-1,0,0 | =-y 鏁厃=-2k锛屾濮嬫墍姹傘
