def test_prune(self):
N = 10
coeffs = np.array([1.] + N * [0])
c0 = Chebfun.from_coeff(coeffs)
npt.assert_allclose(c0.coefficients(), [1.])
c1 = Chebfun.from_coeff(coeffs, prune=False)
npt.assert_allclose(c1.coefficients(), coeffs)
def test_prune(self):
N = 10
coeffs = np.array([1.]+N*[0])
c0 = Chebfun.from_coeff(coeffs)
npt.assert_allclose(c0.coefficients(), [1.])
c1 = Chebfun.from_coeff(coeffs, prune=False)
npt.assert_allclose(c1.coefficients(), coeffs)
def test_from_chebcoeffs(self):
coeffs = np.random.randn(10)
cr = chebfun(chebcoeff=coeffs)
ce = Chebfun.from_coeff(coeffs)
tools.assert_close(cr, ce)
def test_chebcoeff_one(self):
c = Chebfun.from_coeff(np.array([
[1.],
]))
npt.assert_allclose(c(tools.xs), 1.)
def test_chebcoefflist(self):
"""
Initialise with a chebcoeff list
"""
c = Chebfun.from_coeff([1., 2.])
def test_chebcoeff(self):
new = Chebfun.from_coeff(self.p.coefficients())
tools.assert_close(self.p, new)
def test_from_chebcoeffs(self):
coeffs = np.random.randn(10)
cr = chebfun(chebcoeff=coeffs)
ce = Chebfun.from_coeff(coeffs)
tools.assert_close(cr, ce)
def test_chebcoeff_one(self):
c = Chebfun.from_coeff(np.array([[1.],]))
npt.assert_allclose(c(tools.xs), 1.)
def test_chebcoefflist(self):
"""
Initialise with a chebcoeff list
"""
c = Chebfun.from_coeff([1.,2.])
def test_chebcoeff(self):
new = Chebfun.from_coeff(self.p.coefficients())
tools.assert_close(self.p, new)
