def test_compare_straight_and_vondermond(self):
operations = MOperations(Simple())
vectorA = [[35.0], [2.0], [-50.0], [-13.0]]
vectorC = [[2.0], [-1.0], [-3.0], [-2.0]]
vondermondResult = operations.solveVondermond(vectorA, vectorC)
vondermondMatrix = operations.generateVondermondMatrix(vectorC)
inversedMatrix = operations.getMatrixInverse(vondermondMatrix)
straightResult = operations.matrixMult(inversedMatrix, vectorA)
self.assertTrue(self.assertEqualWithInaccuaracy(vondermondResult, straightResult))
def test_solve_straight_way(self):
operations = MOperations(Simple())
vectorA = [[35.0], [2.0], [-50.0], [-13.0]]
vondermondMatrix = [[1.0, 2.0, 4.0, 8.0],
[1.0, -1.0, 1.0, -1.0],
[1.0, -3.0, 9.0, -27.0],
[1.0, -2.0, 4.0, -8.0]]
expectedResult = [[7.0], [4.0], [1.0], [2.0]]
inversedMatrix = operations.getMatrixInverse(vondermondMatrix)
calculatedResult = operations.matrixMult(inversedMatrix, vectorA)
self.assertTrue(self.assertEqualWithInaccuaracy(expectedResult, calculatedResult))
def test_inverse(self):
operations = MOperations(Simple())
matrixA = [[7.0, 1.0, 2.0],
[-5.0, 2.0, 12.0],
[2.0, 3.0, 1.0]]
identityMatrix = [[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
[0.0, 0.0, 1.0]]
inversedMatrix = operations.getMatrixInverse(matrixA)
calculatedIdentityMatrix = operations.matrixMult(matrixA, inversedMatrix)
self.assertTrue(self.assertEqualWithInaccuaracy(identityMatrix, calculatedIdentityMatrix))