def runTest(self):
n = 4
nvals = n * (n + 1) // 2
hess = Hessian(n)
self.assertEqual(hess.shape(), (nvals, ),
'Wrong shape for initialisation')
self.assertEqual(hess.dim(), n, 'Wrong dimension')
self.assertEqual(len(hess), nvals, 'Wrong length')
self.assertTrue(np.all(hess.upper_triangular() == np.zeros((nvals, ))),
'Wrong initialised values')
def runTest(self):
n = 5
nvals = n * (n + 1) // 2
x = np.arange(nvals, dtype=float)
hess = Hessian(n, vals=x)
self.assertEqual(hess.shape(), (nvals, ),
'Wrong shape for initialisation')
self.assertEqual(hess.dim(), n, 'Wrong dimension')
self.assertEqual(len(hess), nvals, 'Wrong length')
self.assertTrue(np.all(hess.upper_triangular() == x),
'Wrong initialised values')
def runTest(self):
n = 3
nvals = n * (n + 1) // 2
A = np.arange(n**2, dtype=float).reshape((n, n))
hess = Hessian(n, vals=A + A.T) # force symmetric
self.assertEqual(hess.shape(), (nvals, ),
'Wrong shape for initialisation')
self.assertEqual(hess.dim(), n, 'Wrong dimension')
self.assertEqual(len(hess), nvals, 'Wrong length')
self.assertTrue(
np.all(hess.upper_triangular() == np.array(
[0.0, 4.0, 8.0, 8.0, 12.0, 16.0])), 'Wrong initialised values')