***************************************************** N x N の行列式  A[ ][ ] x[ ] = B[ ] を解きます。      X[ ] = invA[ ][ ] B[ ] となります。 *****************************************************   N = 4 ******************************************************************************** A[1][1] = 1 A[1][2]= 2 A[1][3]= 3 A[1][4]=6 B[1]=-7 A[2][1] = 4 A[2][2]=5 A[2][3]= 1 A[2][4]=3 B[2]=-5 A[3][1] = 7 A[3][2]=8 A[3][3]= 9 A[3][4]=9 B[3]=-1 A[4][1] = 9 A[4][2]=1 A[4][3]= 4 A[4][4]=5 B[4]=6 ******************************************************************************** ************************************** det = -1038.000000 ************************************** A[1][1] = 1.000000 A[1][2] = 2.000000 A[1][3] = 3.000000 A[1][4] = 6.000000 B[1] = -7.000000 A[2][1] = 4.000000 A[2][2] = 5.000000 A[2][3] = 1.000000 A[2][4] = 3.000000 B[2] = -5.000000 A[3][1] = 7.000000 A[3][2] = 8.000000 A[3][3] = 9.000000 A[3][4] = 9.000000 B[3] = -1.000000 A[4][1] = 9.000000 A[4][2] = 1.000000 A[4][3] = 4.000000 A[4][4] = 5.000000 B[4] = 6.000000 ************************************** invA[1][1] = -0.079961 invA[1][2] = 0.060694 invA[1][3] = -0.032755 invA[1][4] = 0.118497 X[1] = 1.000000 invA[2][1] = -0.074181 invA[2][2] = 0.164740 invA[2][3] = 0.053950 invA[2][4] = -0.106936 X[2] = -1.000000 invA[3][1] = -0.153179 invA[3][2] = -0.257225 invA[3][3] = 0.202312 invA[3][4] = -0.026012 X[3] = 2.000000 invA[4][1] = 0.281310 invA[4][2] = 0.063584 invA[4][3] = -0.113680 invA[4][4] = 0.028902 X[4] = -2.000000 **************************************