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    文件類型: .rar
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    發布日期: 2024-08-13
  • 語言: 其他
  • 標簽: 計算方法??

資源簡介

用c++實現龍貝格求積公式的數學算法,是數值計算的上機程序之一

資源截圖

代碼片段和文件信息

#include
#include
#define?eps??0.000001
void?romberg(double?adouble?b);
double??f(double?y);
void?main()
{
double?a=1.0;
double?b=3.0;
romberg(1.03.0);

}
double??f(double?x)
{
double?y;
y=1/x;
return?y;
}
void?romberg(double?adouble?b)
{

double?hT2S2C2R2T1C1S1R1;
h=(b-a)/2;
int?n=1;
int?k=0;
T2=h*(f(a)+f(b));
S2=0;
C2=0;
R2=0;
while?(fabs(R2-R1)>eps)
{
R1=R2;
T1=T2;
S1=S2;
C1=C2;

double?sum=0.0;
for(int?i=1;i<=n;i++)
{
sum+=f(a+(2*i-1)*h);
}
T2=T1/2+sum*h;
S2=(4*T2-T1)/3;
C2=(16*S2-S1)/15;
R2=(64*C2-C1)/63;
n=n*2;
k++;
h=h/2.0;
}
//cout<//cout<cout<<“隆貝格求解的結果:“<
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8440??2008-12-22?22:53??龍貝格求積\Debug\longbeige.obj

?????文件??????61440??2008-12-22?22:53??龍貝格求積\Debug\vc60.pdb

?????文件?????225347??2008-12-22?22:53??龍貝格求積\Debug\龍貝格求積.exe

?????文件?????517120??2008-12-22?22:53??龍貝格求積\Debug\龍貝格求積.pdb

?????文件????????730??2008-12-22?22:53??龍貝格求積\longbeige.cpp

?????文件???????4331??2008-12-16?18:57??龍貝格求積\龍貝格求積.dsp

?????文件????????528??2008-12-16?18:50??龍貝格求積\龍貝格求積.dsw

?????文件??????41984??2008-12-22?22:53??龍貝格求積\龍貝格求積.ncb

?????文件??????48640??2008-12-22?22:53??龍貝格求積\龍貝格求積.opt

?????文件????????906??2008-12-22?22:53??龍貝格求積\龍貝格求積.plg

?????目錄??????????0??2008-12-23?08:38??龍貝格求積\Debug

?????目錄??????????0??2009-01-02?19:41??龍貝格求積

-----------?---------??----------?-----??----

???????????????909466????????????????????12


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