| 澶辨晥閾炬帴澶勭悊 |
|
2020騫撮樋閲屽反宸撮潰璇?PDF 涓嬭澆 涓嬭澆鍦板潃錛?/strong>
閾炬帴錛?a target="_blank">https://pan.baidu.com/s/1KLXH9vRMy4glHbbZ93CIKQ
鎻愬彇鐮侊細pqqr
鐩稿叧鎴浘錛?br />  涓昏鍐呭錛?/strong>
1.1.1闂錛氬浣曞疄鐜頒竴涓珮鏁堢殑鍗曞悜閾捐〃閫嗗簭杈撳嚭錛?/div>
鍑洪浜猴細闃塊噷宸村反鍑洪涓撳錛氭榾榫欙紡闃塊噷浜戝脊鎬т漢宸ユ櫤鑳借礋璐ｄ漢
鍙傝€冪瓟妗堬細涓嬮潰鏄叾涓竴縐嶅啓娉曪紝涔熷彲浠ユ湁涓嶅悓鐨勫啓娉曪紝姣斿閫掑綊絳夈€備緵鍙傝€冦€?/div>
typedef struct node{
int data;
struct node* next;
node(int d):data(d), next(NULL){}
}node;
void reverse(node* head)
{
if(NULL == head || NULL == head->next){
return;
}
node* prev=NULL;
node* pcur=head->next;
node* next;
while(pcur!=NULL){
if(pcur->next==NULL){
pcur->next=prev;
break;
}
next=pcur->next;
pcur->next=prev;
prev=pcur;
pcur=next;
}
head->next=pcur;
node*tmp=head->next;
while(tmp!=NULL){
cout<<tmp->data<<"\t";
tmp=tmp->next;
}
}
1.1.2棰樼洰錛氬凡鐭?sqrt (2)綰︾瓑浜?1.414錛岃姹備笉鐢ㄦ暟瀛﹀簱錛屾眰 sqrt (2)綺劇‘鍒板皬鏁扮偣鍚?10 浣嶃€?/div>
鍑洪浜猴細——闃塊噷宸村反鍑洪涓撳錛氭枃鏅紡闃塊噷浜?CDN 璧勬繁鎶€鏈笓瀹?/div>
鍙傝€冪瓟妗堬細
* 鑰冨療鐐?/div>
1.鍩虹綆楁硶鐨勭伒媧誨簲鐢ㄨ兘鍔涳紙浜屽垎娉曞榪囨暟鎹粨鏋勭殑鍚屽閮界煡閬擄紝浣嗕笉涓€瀹氬線榪欎釜鏂瑰悜鑰冭檻錛涘鏋滃榪囨暟鍊艱綆楃殑鍚屽錛屽簲璇ヨ繕瑕佽兘鎯沖埌鐗涢】榪唬娉曞茍瑙ｉ噴娓呮錛?/div>
2.閫€鍑烘潯浠惰璁?/div>
浜屽垎娉?/div>
1. 宸茬煡 sqrt(2)綰︾瓑浜?1.414錛岄偅涔堝氨鍙互鍦?1.4, 1.5)鍖洪棿鍋氫簩鍒?/div>
鏌ユ壘錛屽錛?a) high=>1.5 b) low=>1.4 c) mid => (high+low)/2=1.45 d) 1.45*1.45>2 ? high=>1.45 : low => 1.45 e) 寰幆鍒?c)
2. 閫€鍑烘潯浠?/div>
a) 鍓嶅悗涓ゆ鐨勫樊鍊肩殑緇濆鍊?lt;=0.0000000001, 鍒欏彲閫€鍑?/div>
const double EPSILON = 0.0000000001;
double sqrt2() {
double low = 1.4, high = 1.5;
double mid = (low + high) / 2;
while (high - low > EPSILON) {
if (mid * mid > 2) {
high = mid;
} else {
low = mid;
}
mid = (high + low) / 2;
}
return mid;
}
鐗涢】榪唬娉?/div>
1.鐗涢】榪唬娉曠殑鍏紡涓猴細
xn+1 = xn-f(xn)/f'(xn)
瀵逛簬鏈錛岄渶瑕佹眰瑙ｇ殑闂涓猴細f(x)=x2-2 鐨勯浂鐐?/div>
EPSILON = 0.1 ** 10
def newton(x):
if abs(x ** 2 - 2) > EPSILON:
return newton(x - (x ** 2 - 2) / (2 * x))
else:
return x
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| Java1234瀹樻柟緹?5錛?/td> | 
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| Java1234瀹樻柟緹?5錛?/td> | 838462530 |
鑻忓叕緗戝畨澶?32061202001004鍙?/p>
