{"id":558,"date":"2007-03-15T11:27:00","date_gmt":"2007-03-15T03:27:00","guid":{"rendered":"http:\/\/note.systw.net\/note\/?p=558"},"modified":"2023-11-04T11:29:15","modified_gmt":"2023-11-04T03:29:15","slug":"array-linklist","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/558","title":{"rendered":"Array Linklist"},"content":{"rendered":"\n

array(\u9663\u5217)<\/strong>
\u5927\u5c0f\u56fa\u5b9a,\u5404\u5143\u7d20\u578b\u5225\u9700\u76f8\u540c,\u53ef\u76f4\u63a5\u5b58\u53d6\u67d0\u5143\u7d20
\u8aaa\u660e:\u4e00\u7fa4\u76f8\u540c\u8cc7\u6599\u578b\u614b\u7684\u8cc7\u6599\u5b58\u5728\u9023\u7e8c\u7684\u7a7a\u9593,\u6240\u5f62\u6210\u7684\u96c6\u5408,\u4e26\u5177\u6709\u56fa\u5b9a\u7684\u4f4d\u7f6e
\u512a\u9ede:\u53ef\u8a08\u7b97\u51fa\u500b\u8cc7\u6599\u8a18\u61b6\u9ad4\u4f4d\u5740,\u63d0\u4f9b\u96a8\u6a5f\u5b58\u53d6\u7684\u904b\u4f5c
\u7f3a\u9ede:\u63d2\u5165\u8207\u522a\u9664\u56f0\u96e3,\u8cc7\u6599\u500b\u6578\u53d7\u9650
\u9069\u5408:\u8cc7\u6599\u500b\u6578\u56fa\u5b9a\u7684\u975c\u614b\u8cc7\u6599\u7684\u67e5\u8a62<\/p>\n\n\n\n

\u9663\u5217\u8a08\u7b97
s=\u8d77\u59cb\u4f4d\u7f6e
d=\u5143\u7d20\u7684\u4f4d\u5143\u7d44
r1=\u9663\u52171\u7684\u7d22\u5f15\u6578\u91cf
i1=\u9663\u52171\u8981\u627e\u7684\u7d22\u5f15\u4f4d\u7f6e-\u9663\u52171\u958b\u59cb\u4f4d\u7f6e(\u901a\u5e38\u662f0)
\u4ee5row(\u5217)\u70ba\u4e3b\uff1a<\/strong>
s+[i1*(r2*r3*…rn)+i2*(r3*…rn)+…i(n-1)*(rn)+in]*d
ex:\u4e09\u7dad\u9663\u5217[0:3\uff0c0:6\uff0c2:7],\u8981\u627e[3,2,2]
\u800cr1=3\uff0cr2=7\uff0cr3=6(7-2+1)
\u800ci1=3(3-0)\uff0ci2=2(2-0)\uff0ci3=0(2-2)
\u6240\u4ee5\u516c\u5f0f=s+[(3)*7*6 + (2)*6 + (0)]*d
ps:c,pascal
\u4ee5(col)\u884c\u70ba\u4e3b\uff1a<\/strong>
ex:\u540c\u4e0a
\u53ea\u8981\u628a\u9663\u5217\u53cd\u8f49\u6210\u70ba\uff3b2:7\uff0c0:6\uff0c0:3\uff3d\u4e26\u8f49\u8981\u627e\u7684\u70ba[2,2,3]
\u7528\u76f8\u540c\u516c\u5f0f\u53ca\u5f97\u5230
r1=6\uff0cr2=7\uff0cr3=3
i1=0(2-2)\uff0ci2=2(2-0)\uff0ci3=3(3-0)
\u6240\u4ee5\u516c\u5f0f\uff1ds+[(0)*7*3 + (2)*3 + (3)]*d
ps:fortran<\/p>\n\n\n\n

\u4e00\u5143n\u6b21\u591a\u9805\u5f0f
poly(x)=c0+c1x^1+c2x^2+…cnx^n=(c0,c1,c2,…cn)
ex:1+3x^3+36x^4
\u5168\u90e8\u4fc2\u6578\u8868\u793a\u6cd5,(\u8981\u4f54\u7528\u7684\u5143\u7d20=\u6700\u9ad8\u6b21\u6578\uff0b1)
1,0,0,3,36 \u4f54\u75285\u500b\u5143\u7d20
\u975e\u96f6\u9805\u8868\u793a\u6cd5,(\u82e5\u4fc2\u6578\u5927\u591a\u662f\u96f6\u5247\u7528\uff0c\u53ef\u7bc0\u7701\u8a18\u61b6\u9ad4)
1.0 , 3.3 ,36.4 \u4f54\u75286\u500b\u5143\u7d20..<\/p>\n\n\n\n

sparse matrix(\u7a00\u758f\u77e9\u9663\u8868\u793a\u6cd5)
[\u5217,\u884c,\u503c,\u6307\u6a19]->[\u5217,\u884c,\u503c,\u6307\u6a19]->[\u5217,\u884c,\u503c,\u6307\u6a19]->…
ex:
0 5 0
4 0 0
0 0 3
[1,2,5,\u6307\u6a19]->[2,1,4,\u6307\u6a19]->[3,3,3,\u6307\u6a19]->
\u53cd\u8f49\u77e9\u9663\u65b9\u6cd5:
\u53ea\u8981\u5c07\u5217\u548c\u884c\u4e92\u63db\u5373\u53ef\u5f97\u5230\u5982\u4e0b
ex:[1,2,4,\u6307\u6a19]->[2,1,5,\u6307\u6a19]->[3,3,3,\u6307\u6a19]-><\/p>\n\n\n\n


………………………………………………………………………………………………………….<\/p>\n\n\n\n

linked list(\u93c8\u7d50\u4e32\u5217)<\/strong>
\u7c21\u55ae\u7684\u52d5\u614b\u8cc7\u6599\u7d50\u69cb:
\u8aaa\u660e:\u4e00\u7fa4\u76f8\u540c\u8cc7\u6599\u578b\u614b\u7684\u7bc0\u9ede\u5132\u5b58\u5728\u4efb\u610f\u7684\u7a7a\u9593,\u800c\u7bc0\u9ede\u6703\u5132\u5b58\u8cc7\u6599\u53ca\u4e0b\u4e00\u500b\u7bc0\u9ede\u7684\u4f4d\u7f6e
\u512a\u9ede:\u63d2\u5165\u8207\u522a\u9664(\u56e0\u908f\u8f2f\u9806\u5e8f\u548c\u5be6\u969b\u9806\u5e8f\u4e0d\u540c,\u56e0\u6b64\u4e0d\u9700\u642c\u52d5\u5176\u4ed6\u8cc7\u6599),\u8cc7\u6599\u500b\u6578\u4e0d\u9650(\u4f46\u9700\u984d\u5916\u7a7a\u9593\u5b58pointer)
\u7f3a\u9ede:\u53ea\u80fd\u900f\u904e\u93c8\u7d50\u6b04\u4f4d\u5faa\u5e8f\u5b58\u53d6,\u4e0d\u53ef\u76f4\u63a5\u5b58\u53d6\u67d0\u5143\u7d20(\u9700\u4f9d\u4e32\u63a5\u9806\u5e8f\u6383\u63cf)
\u9069\u7528:\u8cc7\u6599\u500b\u6578\u8b8a\u52d5\u7684\u52d5\u614b\u8cc7\u6599\u63d2\u5165\u8207\u522a\u9664
\u53ef\u80fd\u554f\u984c:\u8cc7\u6599\u907a\u5931,\u61f8\u540a\u6307\u6a19
\u61c9\u7528:\u7ba1\u7406\u4e3b\u8a18\u61b6\u9ad4\u55ae\u5143<\/p>\n\n\n\n

\u975c\u614b\u8a18\u61b6\u9ad4\u914d\u7f6e,\u7528\u9663\u5217\u505a
\u52d5\u614b\u8a18\u61b6\u9ad4\u914d\u7f6e,\u7528\u6307\u6a19\u505a
\u7d50\u69cb\u5ba3\u544a:
typedef struct listnode{
\u3000int data;
\u3000struct listnode *next
}listnode;
listnode *head=null;<\/p>\n\n\n\n

\u5e38\u898b\u4e32\u5217\u6709\u4ee5\u4e0b:
single linked list\/chain(\u55ae\u93c8\u4e32\u5217)<\/strong>
\u5404\u7bc0\u9ede\u53ea\u6709\u4e00\u500blink\u6307\u5411\u4e0b\u4e00\u500b\u7bc0\u9ede
\u53ea\u80fd\u5920\u5728\u76ee\u524d\u7bc0\u9ede\u4e4b\u5f8c\u9032\u884c\u63d2\u5165\u904b\u4f5c\u53ca\u522a\u9664\u904b\u4f5c\uff0c\u4f46\u56e0\u53ea\u6709\u4e00\u500b\u93c8\u7d50\u6b04\u4f4d\uff0c\u6240\u4ee5\u8a18\u61b6\u9ad4\u7a7a\u9593\u65b9\u9762\u6bd4\u96d9\u93c8\u4f86\u5f97\u8f03\u6709\u6548\u7387
bi-directional\/double linked list(\u96d9\u93c8\u4e32\u5217)<\/strong>
\u5404\u7bc0\u9ede\u6709\u5169\u500blink\u6b04\u4f4d\uff0c\u5206\u5225\u6307\u5411\u524d\u8207\u5f8c\u7684\u7bc0\u9ede,\u53ef\u63d0\u4f9b\u8f03\u5927\u7684\u61c9\u7528\u5f48\u6027
\u53ef\u5728\u76ee\u524d\u7bc0\u9ede\u4e4b\u5f8c\u53ca\u4e4b\u524d\u9032\u884c\u63d2\u5165\u904b\u4f5c\u53ca\u522a\u9664\u904b\u4f5c\uff0c\u82e5\u61c9\u7528\u4e0a\u9700\u8981\u7531\u76ee\u524d\u7bc0\u9ede\u5f80\u524d\u5f8c\u79fb\u52d5\u6703\u6bd4\u55ae\u93c8\u66f4\u6709\u6548\u7387\u9054\u6210
circular list(\u5faa\u74b0\u4e32\u5217)<\/strong>
\u4e32\u5217\u7d50\u5c3e\u7684link\u662f\u6307\u56de\u4e32\u5217\u958b\u982d\u7bc0\u9ede,\u5728\u5408\u4f75\u6f14\u7b97\u6cd5\u53ca\u6b78\u9084\u7a7a\u9593\u6f14\u7b97\u6cd5\u90fd\u662fO(1)
simple list(\u7c21\u55ae\u4e32\u5217)<\/strong>
\u4e32\u5217\u7d50\u5c3e\u7684link\u662f\u7a7a\u6307\u6a19<\/p>\n\n\n\n

\u63d2\u5165\u7bc0\u9ede
void insert(listnode *ptr,int value){
\u3000listnode *newnode;
\u3000newnode=malloc(sizeof(struct listnode)); \/\/\u7522\u751f\u65b0\u7bc0\u9ede
\u3000newnode->data=value;
\u3000newnode->link=ptr->link; \/\/\u8a2d\u5b9a\u65b0\u7bc0\u9ede\u7684\u93c8\u7bc0\u6b04\u4f4d
\u3000ptr->link=newnode; \/\/\u5c07\u76ee\u524d\u7bc0\u9ede\u6307\u5411\u65b0\u7bc0\u9ede
}
\u522a\u9664\u4e0b\u4e00\u500b\u7bc0\u9ede
void delete(listnode *ptr){
\u3000if(ptr==null||ptr->link==null){ printf(“empty”);}
\u3000else{
\u3000\u3000listnode *nextnode;
\u3000\u3000nextnode=ptr->link; \/\/\u6307\u5411\u8981\u522a\u9664\u7684\u7bc0\u9ede
\u3000\u3000ptr->link=nextnode->link; \/\/\u5c07\u76ee\u524d\u7bc0\u9ede\u6307\u5411\u88ab\u522a\u9664\u7bc0\u9ede\u7684\u4e0b\u4e00\u500b\u7bc0\u9ede
\u3000\u3000free(nextnode); \/\/\u52d5\u614b\u6b78\u9084\u7bc0\u9ede
\u3000}
}
\u5728\u8cc7\u6599x\u5f8c\u63d2\u5165\u65b0\u7bc0\u9ede
void find_insert(struct linklist *start,int finddata,struct linklist *newnode){ \/\/start\u8ca0\u8cac\u9032\u5165
\u3000struct linklist *next; \/\/next\u8ca0\u8cac\u79fb\u52d5
\u3000next=start;
\u3000while(next!=NULL&&next->data==finddata){ next=next->link;} \/\/\u5c0b\u627efinddata
\u3000if(next==NULL){
\u3000\u3000printf(“finddata don’t exist”);
\u3000}else{
\u3000\u3000newnode->link=next->link
\u3000\u3000next->link=newnode;
\u3000}
}
recursive\u53cd\u8f49\u7bc0\u9ede
void inverse(listnode middle,listnode right){
\u3000if(right==null)head=middle;
\u3000else{
\u3000\u3000left=middle;
\u3000\u3000middle=right;
\u3000\u3000right=right->link
\u3000\u3000middle->link=left;
\u3000\u3000inverse(middle,right);
\u3000}
}
\u975e\u905e\u8ff4\u53cd\u8f49\u7bc0\u9ede
…..
\u96d9\u5411\u93c8\u7bc0\u63d2\u5165\u67d0\u7bc0\u9ede\u4e4b\u5f8c
void insert(node x,node y){
\u3000y->rlink=x->rlink;
\u3000y->llnk=x;
\u3000x->rlink=y;
\u3000if(y->rlink!=null){ y->rlink->llink=y;}
}<\/p>\n\n\n\n

…………………………………………………………………………………………..<\/p>\n\n\n\n

\u901a\u7528\u4e32\u5217<\/strong>
\u8cc7\u6599\u578b\u614b\u548c\u500b\u6578\u53ef\u4e0d\u56fa\u5b9a<\/p>\n","protected":false},"excerpt":{"rendered":"

array(\u9663\u5217)\u5927\u5c0f\u56fa\u5b9a,\u5404\u5143\u7d20\u578b\u5225\u9700\u76f8\u540c,\u53ef\u76f4\u63a5\u5b58\u53d6\u67d0\u5143 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[15],"tags":[],"class_list":["post-558","post","type-post","status-publish","format-standard","hentry","category-algorithm"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=558"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/558\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}