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大小: 3KB文件類型: .cpp金幣: 1下載: 0 次發布日期: 2021-06-07
- 語言: C/C++
- 標簽: Gauss-Seidel??迭代??SOR迭代??c++程序??
資源簡介
數值計算方法中關于Gauss-Seidel 迭代和SOR迭代的通用c++程序
代碼片段和文件信息
/*數值計算方法lab6
Gauss_Seidel?迭代和松弛迭代通用程序
劉波?pb07210511
*/
#include?
#include?
#include?
using?namespace?std;
const?int?N=9;
const?double?epsilon=0.00000001;
int?main()
{
double?array[N][N]={
???????{31-13000-10000}
???????{-1335-90-110000}
???????{0-931-1000000}
???????{00-1079-30000-9}
???????{000-3057-70-50}
???????{0000-747-3000}
???????{00000-304100}
???????{0000-50027-2}
???????{000-9000-229}
????};
????double?array1[N]={-1527-230-2012-7710};
????double?x[N]={000000000};
????double?w;
????int?icountermin_counter;
????int?Gauss_Seidel(double?array[][N]double?array1[]double?x[]);
????int?SOR(double?array[][N]double?array1[]double?x[]double?w);
????Gauss_Seidel(arrayarray1x);
????cout< ????for?(i=0;i ????{
???? cout<<“x[“<????}
????cout<<“The?total?steps?of?SOR?Iteration?is:“< ???for(?i=1;i<100;i++)
????{
???? counter=SOR(arrayarray1xi/50.0);
???? if?(i==1)?{w=i/50.0;min_counter=counter;}
???? else?if?(counter ????}
????cout<<“The?best?w?is?“<
}
int?Gauss_Seidel(double?array[][N]double?array1[]double?x[])
{
double?tmax_error=100;
double?matrix[N][N]y[N];
int?ijcounter=0;
for?(i=0;i for?(j=0;j matrix[i][j]=array[i][j];
for?(i=0;i f
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