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 N x N の行列式　 A[ ][ ] x[ ] = B[ ] を解きます。

       　 　　 X[ ] = invA[ ][ ] B[ ] となります。

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　　N = 5        
********************************************************************************

A[1][1] = 7  A[1][2]= 1 A[1][3]= 2  A[1][4]=3  A[1][5]=6  B[1]=56
  
A[2][1] = 8  A[2][2]=4 A[2][3]= 5  A[2][4]=1  A[2][5]=3  B[2]=44

A[3][1] = 6  A[3][2]=7 A[3][3]= 8  A[3][4]=9  A[3][5]=9  B[3]=55

A[4][1] = 7  A[4][2]=9 A[4][3]= 1  A[4][4]=4  A[4][5]=5 B[4]=24

A[5][1] = 5  A[5][2]= 4 A[5][3]= 6 A[5][4]=3  A[5][5]=1 B[5]=22

********************************************************************************



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              det = -5002.000000     

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   A[1][1] = 7.000000 
   A[1][2] = 1.000000 
   A[1][3] = 2.000000 
   A[1][4] = 3.000000 
   A[1][5] = 6.000000 

   B[1] = 56.000000 

   A[2][1] = 8.000000 
   A[2][2] = 4.000000 
   A[2][3] = 5.000000 
   A[2][4] = 1.000000 
   A[2][5] = 3.000000 

   B[2] = 44.000000 

   A[3][1] = 6.000000 
   A[3][2] = 7.000000 
   A[3][3] = 8.000000 
   A[3][4] = 9.000000 
   A[3][5] = 9.000000 

   B[3] = 55.000000 

   A[4][1] = 7.000000 
   A[4][2] = 9.000000 
   A[4][3] = 1.000000 
   A[4][4] = 4.000000 
   A[4][5] = 5.000000 

   B[4] = 24.000000 

   A[5][1] = 5.000000 
   A[5][2] = 4.000000 
   A[5][3] = 6.000000 
   A[5][4] = 3.000000 
   A[5][5] = 1.000000 

   B[5] = 22.000000 


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   invA[1][1] = 0.195722 
   invA[1][2] = -0.108557 
   invA[1][3] = -0.142343 
   invA[1][4] = 0.044982 
   invA[1][5] = 0.207517 

   X[1] = 4.000000 

   invA[2][1] = -0.189324 
   invA[2][2] = 0.121351 
   invA[2][3] = 0.046781 
   invA[2][4] = 0.093363 
   invA[2][5] = -0.115954 

   X[2] = -3.000000 

   invA[3][1] = -0.147341 
   invA[3][2] = 0.205318 
   invA[3][3] = 0.107157 
   invA[3][4] = -0.123750 
   invA[3][5] = -0.077569 

   X[3] = 2.000000 

   invA[4][1] = 0.257497 
   invA[4][2] = -0.485006 
   invA[4][3] = -0.096361 
   invA[4][4] = 0.068373 
   invA[4][5] = 0.435426 

   X[4] = -1.000000 

   invA[5][1] = -0.109756 
   invA[5][2] = 0.280488 
   invA[5][3] = 0.170732 
   invA[5][4] = -0.060976 
   invA[5][5] = -0.414634 

   X[5] = 5.000000 


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