質問編集履歴
2
コードコード41行目()の消去、43行目の修正
test
CHANGED
File without changes
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test
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@@ -88,8 +88,6 @@
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if(*g < EPS)
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{
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return simpson(double a, double b, int 2.0*n, double (*f)());
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@@ -100,16 +98,6 @@
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}
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}
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-
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107
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double funk(double x) {
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return (exp(x));
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}
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```
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@@ -118,6 +106,6 @@
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-
![イメージ説明](
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+
![イメージ説明](8f615a987c6172f15164cce3fad4a5bb.png)
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110
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123
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よろしくお願いします
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1
コードの修正、およびエラーメッセージの掲載
test
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File without changes
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test
CHANGED
@@ -2,94 +2,122 @@
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2
2
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3
3
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4
4
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5
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+
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6
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5
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-
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7
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```C
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8
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9
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#include<stdio.h>
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11
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#include <math.h>
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6
12
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7
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8
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9
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-
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15
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double funk(double x);
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16
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11
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#include <math.h>
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12
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-
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13
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double exp(double x);
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14
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15
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double simpson(double a, double b, int n, double (*f)());
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double simpson(double a, double b, int n, double (*f)());
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20
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int main(void)
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int main(void)
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-
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{
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ouble
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double *g;
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26
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25
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-
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27
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double EPS=*g;
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28
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27
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-
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29
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printf("sei no seisuu wo nyuuryoku ->",EPS);
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29
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-
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31
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scanf("%d",EPS);
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30
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printf("結果は%20.15fです\n",simpson(0, 1.0, EPS, exp));
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35
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re
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printf("exp(x) wo [0,1] de sekibun simasu. bunkatu suu ha %d desu \n",2*EPS);
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printf("result is %20.15f\n",simpson(0, 1.0, EPS, funk));
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38
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-
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double simpson(double a, double b, int n, double (*f)())
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40
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41
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42
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43
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{
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44
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45
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double S,h;
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46
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-
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47
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int i;
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48
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49
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h=(b-a)/(2.0*n);
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50
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-
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51
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S=((*f)(a)+(*f)(b));
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52
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53
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for (i=1;i<n;i++)
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54
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-
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55
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{
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56
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-
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57
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S += 4.0*(*f)(a+(2.0*i-1.0)*h)+2.0*(*f)(a+2.0*i*h);
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58
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-
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59
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}
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60
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-
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61
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S += 4.0*(*f)(a+(2.0*n-1.0)*h);
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62
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63
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S *= h/3.0; return S;
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64
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-
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65
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}
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66
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67
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68
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69
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double EPS(double *g) {
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70
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71
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72
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73
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int n;
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74
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75
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fabs(simpson(0, 1.0, 2.0*n, exp)-simpson(0, 1.0, n, exp))=*g;
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76
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-
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77
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78
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79
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if(*g<EPS){
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80
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81
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return simpson(double a, double b, int 2.0*n, double (*f)());
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82
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-
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83
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39
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return 0;
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84
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-
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85
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}
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86
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-
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87
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double exp(double x) {
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88
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-
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89
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return(exp(x));
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90
40
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91
41
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}
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92
42
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93
43
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94
44
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45
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+
double simpson(double a, double b, int n, double (*f)()) {
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46
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+
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47
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+
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48
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+
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49
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double S,h;
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50
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|
51
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int i;
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52
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+
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53
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+
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54
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+
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55
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h=(b-a)/(2.0*n);
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56
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57
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58
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59
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S=((*f)(a)+(*f)(b));
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60
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61
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+
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62
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63
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for (i=1;i<n;i++)
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64
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|
65
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{
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66
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+
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67
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S += 4.0*(*f)(a+(2.0*i-1.0)*h)+2.0*(*f)(a+2.0*i*h); }
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68
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+
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69
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+
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70
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+
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71
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S += 4.0*(*f)(a+(2.0*n-1.0)*h); S *= h/3.0; return S;
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72
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+
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73
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+
}
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74
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+
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75
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76
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77
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double EPS(double g)
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78
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+
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79
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{
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80
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81
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int n;
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82
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+
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83
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+
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84
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+
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85
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*g = (simpson(0, 1.0, 2.0*n, funk)- simpson(0, 1.0, n, funk));
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86
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+
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87
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+
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88
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+
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89
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+
if(*g < EPS)
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90
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+
|
91
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{
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92
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+
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93
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+
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94
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+
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95
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+
return simpson(double a, double b, int 2.0*n, double (*f)());
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96
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+
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97
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+
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98
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+
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99
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+
else return 1;
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100
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+
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101
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+
}
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102
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+
|
103
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+
}
|
104
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+
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105
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+
|
106
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+
|
107
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+
double funk(double x) {
|
108
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+
|
109
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+
return (exp(x));
|
110
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+
|
111
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+
}
|
112
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+
|
113
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+
```
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114
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+
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115
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+
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116
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+
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117
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+
エラーメッセージ(コピペできなかったため写真を添付します)
|
118
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+
|
119
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+
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120
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+
|
121
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+
![イメージ説明](7cfadcd6e88b6723ea3e21b92274fc4e.png)
|
122
|
+
|
95
123
|
よろしくお願いします
|