資源簡介
使用 C 語言產(chǎn)生正態(tài)分布的隨機數(shù)。給出了全部的源代碼。產(chǎn)生的隨機數(shù)保存在文本文件中,并給出了 MATLAB 直方圖驗證的源代碼。

代碼片段和文件信息
#include?“stdio.h“
double?grn1(double?udouble?gdouble?*r)??//產(chǎn)生單個隨機數(shù)
{
int?im;
double?swvt;
s=65536.0;?
w=2053.0;?
v=13849.0;
t=0.0;
for?(i=1;?i<=12;?i++)
{?
????????*r=(*r)*w+v;?
????m=(int)(*r/s);
*r=*r-m*s;?
t=t+(*r)/s;
}
t=u+g*(t-6.0);
return(t);
}
void?grns(double?udouble?gdouble?*rint?ndouble?a[])???//產(chǎn)生隨機數(shù)數(shù)列
{
int?ikm;
double?swvt;
s=65536.0;?
w=2053.0;?
v=13849.0;
for?(k=0;?k<=n-1;?k++)
{?
t=0.0;
for?(i=1;?i<=12;?i++)
{?
*r=(*r)*w+v;?
m=(int)(*r/s);
*r=*r-m*s;?
t=t+(*r)/s;
}
a[k]=u+g*(t-6.0);
}
????return;
}
void?main(void)
{?
//這個代碼是產(chǎn)生單個隨機數(shù)的
/*
int?ij;
double?ugr;
double?rand_num;
r=5.0;?u=1.0;?g=1.5;
printf(“\n“);
for?(i=0;?i<=9;?i++)
{?
for?(j=0;?j<=4;?j++)
{
rand_num?=?grn1(ug&r);
printf(“%10.7lf??“rand_num);
}
????printf(“\n“);
}
printf(“\n“);
*/
//下面的代碼是產(chǎn)生隨機數(shù)數(shù)列的
int?ij;
????double?ugra[30000];??//a數(shù)列用來存儲產(chǎn)生的隨機數(shù)
FILE?*fp;
????r=3.0;?//設(shè)定隨機數(shù)產(chǎn)生的種子
u=1.0;?//正態(tài)分布的均值
g=1.5;?//正態(tài)分布的方差為g的平方
????printf(“\n“);
????grns(ug&r30000a);
fp?=?fopen(“record.txt““w“);
????for?(i=0;?i<=2999;?i++)
????{?
for?(j=0;?j<=9;?j++)
????{
if?(j==9)
{
????printf(“%10.7lf“a[i*5+j]);
????????fprintf(fp“%10.7lf“a[i*5+j]);??//保存到record.txt文件中,便于MATLAB畫圖
}else{
????printf(“%10.7lf?“a[i*5+j]);
????????fprintf(fp“%10.7lf?“a[i*5+j]);
}
????}
????????printf(“\n“);
fprintf(fp“\n“);
????}
????printf(“\n“);
fclose(fp);
getchar();
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????4017??2019-05-20?14:55??VS_rand\ConsoleApplication1\ConsoleApplication1\ConsoleApplication1.vcxproj
?????文件????????940??2019-05-20?14:55??VS_rand\ConsoleApplication1\ConsoleApplication1\ConsoleApplication1.vcxproj.filters
?????文件????????710??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\cl.command.1.tlog
?????文件???????1292??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\CL.read.1.tlog
?????文件????????494??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\CL.write.1.tlog
?????文件?????????81??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\ConsoleApplication1.lastbuildstate
?????文件???????1895??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\ConsoleApplication1.log
?????文件??????????2??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件??????????2??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件??????????2??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件??????????2??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件???????1338??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件???????2370??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件????????646??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\li
?????文件???????9828??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\main.obj
?????文件??????27648??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\vc110.idb
?????文件??????77824??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug\vc110.pdb
?????文件???????1663??2019-05-20?15:47??VS_rand\ConsoleApplication1\ConsoleApplication1\main.c
?????文件????????168??2019-05-20?15:43??VS_rand\ConsoleApplication1\ConsoleApplication1\plot_rand_number.asv
?????文件????????200??2019-05-20?16:00??VS_rand\ConsoleApplication1\ConsoleApplication1\plot_rand_number.m
?????文件?????333000??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\record.txt
?????文件??????39071??2019-05-20?16:01??VS_rand\ConsoleApplication1\ConsoleApplication1\unti
?????文件????2031616??2019-05-20?16:06??VS_rand\ConsoleApplication1\ConsoleApplication1.sdf
?????文件????????924??2019-05-20?14:51??VS_rand\ConsoleApplication1\ConsoleApplication1.sln
????..A..H.?????22528??2019-05-20?16:06??VS_rand\ConsoleApplication1\ConsoleApplication1.v11.suo
?????文件??????31744??2019-05-20?15:35??VS_rand\ConsoleApplication1\Debug\ConsoleApplication1.exe
?????文件?????257896??2019-05-20?15:35??VS_rand\ConsoleApplication1\Debug\ConsoleApplication1.ilk
?????文件?????445440??2019-05-20?15:35??VS_rand\ConsoleApplication1\Debug\ConsoleApplication1.pdb
?????文件?????109760??2019-05-20?15:57??VS_rand\微信截圖_20190520155730.png
?????目錄??????????0??2019-05-20?15:35??VS_rand\ConsoleApplication1\ConsoleApplication1\Debug
............此處省略7個文件信息
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