-
Notifications
You must be signed in to change notification settings - Fork 1
/
check.c
93 lines (92 loc) · 2.61 KB
/
check.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
#include <stdio.h>
#include <ctype.h>
#include <math.h>
int main()
{
double x1, x2, x3, x4, x5;
double f, f1, f2, f3, f4, f5;
x1 = 2;
x2 = 5;
f = log(x1) + x1 * x2 - sin(x2);
f1 = 1 / x1 + x2;
f2 = x1 - cos(x2);
printf("样例1:f(x1=2,x2=5):ln(x1)+x1*x2-sin(x2)\n");
printf("手动计算结果:\n");
printf("val = %.6g\n", f);
printf("f-PDF@x1 = %.6g\n", f1);
printf("f-PDF@x2 = %.6g\n", f2);
printf("\n");
/*
样例1:f(x1=2,x2=5):ln(x1)+x1*x2-sin(x2)
手动计算结果:
val = 11.65207145
f-PDF@x1 = 5.5
f-PDF@x2 = 1.71634
*/
x1 = 2;
x2 = 3;
f = exp(sin(x1)) + pow(x2, x2) + x1 * pow(x2, 2);
f1 = cos(x1) * exp(sin(x1)) + pow(x2, 2);
f2 = (log(x2) + 1) * pow(x2, x2) + 2 * x1 * x2;
printf("样例2:f(x1=2,x2=3):exp(sin(x1))+x2^x2+x1*x2^2\n");
printf("手动计算结果:\n");
printf("val = %.6g\n", f);
printf("f-PDF@x1 = %.6g\n", f1);
printf("f-PDF@x2 = %.6g\n", f2);
printf("\n");
/*
样例2:f(x1=2,x2=3):exp(sin(x1))+x2^x2+x1*x2^2
手动计算结果:
val = 47.4826
f-PDF@x1 = 7.96688
f-PDF@x2 = 68.6625
*/
x1 = 2;
x2 = 3;
x3 = 4;
x4 = 5;
x5 = 6;
f = exp(sin(x1)) + pow(x2, x2) + pow(x3, 2) + pow(4, x4) + log(x3 * x4) + pow(cos(log(2.5 * x5)), 2);
f1 = cos(x1) * exp(sin(x1));
f2 = pow(x2, x2) * (log(x2) + 1);
f3 = 2 * x3 + x4 * (1 / (x3 * x4));
f4 = pow(4, x4) * log(4) + x3 * (1 / (x3 * x4));
f5 = 2 * cos(log(2.5 * x5)) * (-sin(log(2.5 * x5))) * (1 / (2.5 * x5)) * 2.5;
printf("样例3:f(x1=2,x2=3,x3=4,x4=5,x5=6):exp(sin(x1))+x2^x2+x3^2+4^x4+ln(x3*x4)+(cos(ln(2.5*x5)))^2\n");
printf("手动计算结果:\n");
printf("val = %.6g\n", f);
printf("f-PDF@x1 = %.6g\n", f1);
printf("f-PDF@x2 = %.6g\n", f2);
printf("f-PDF@x3 = %.6g\n", f3);
printf("f-PDF@x4 = %.6g\n", f4);
printf("f-PDF@x5 = %.6g\n\n", f5);
/*
样例3:f(x1=2,x2=3,x3=4,x4=5,x5=6):exp(sin(x1))+x2^x2+x3^2+4^x4+ln(x3*x4)+(cos(ln(2.5*x5)))^2
手动计算结果:
val = 1073.3
f-PDF@x1 = -1.03312
f-PDF@x2 = 56.6625
f-PDF@x3 = 8.25
f-PDF@x4 = 1419.77
f-PDF@x5 = 0.127074
*/
x1 = 2;
x2 = 5;
f = pow(x1, 2) + x1 * x2;
f1 = 2 * x1 + x2;
f2 = x1;
printf("样例4:f(x1=2,x2=5):x1^2+x1*x2\n");
printf("手动计算结果:\n");
printf("val = %.6g\n", f);
printf("f-PDF@x1 = %.6g\n", f1);
printf("f-PDF@x2 = %.6g\n", f2);
printf("\n");
/*
样例4:f(x1=2,x2=5):x1^2+x1*x2
手动计算结果:
val = 14
f-PDF@x1 = 9
f-PDF@x2 = 2
*/
return 0;
}