question: test determinant concode_field_sep double[][] testData concode_field_sep void testSolve concode_elem_sep void testSolveDimensionErrors concode_elem_sep double getDeterminant
target: void function ( ) { Assert . assertEquals ( 7290000.0 , getDeterminant ( MatrixUtils . createRealMatrix ( testData ) ) , 1.0e-15 ) ; }