def __init__(self,
parent,
coord_expression=None,
chart=None,
name=None,
latex_name=None):
r"""
Construct a scalar field.
TESTS::
sage: M = Manifold(2, 'M')
sage: X.<x,y> = M.chart()
sage: f = M.scalar_field({X: x+y}, name='f') ; f
Scalar field f on the 2-dimensional differentiable manifold M
sage: from sage.manifolds.scalarfield import ScalarField
sage: isinstance(f, ScalarField)
True
sage: f.parent()
Algebra of differentiable scalar fields on the 2-dimensional
differentiable manifold M
sage: TestSuite(f).run()
"""
ScalarField.__init__(self,
parent,
coord_expression=coord_expression,
chart=chart,
name=name,
latex_name=latex_name)
self._tensor_type = (0, 0)
def __init__(self, parent, coord_expression=None, chart=None, name=None,
latex_name=None):
r"""
Construct a scalar field.
TESTS::
sage: M = Manifold(2, 'M')
sage: X.<x,y> = M.chart()
sage: f = M.scalar_field({X: x+y}, name='f') ; f
Scalar field f on the 2-dimensional differentiable manifold M
sage: from sage.manifolds.scalarfield import ScalarField
sage: isinstance(f, ScalarField)
True
sage: f.parent()
Algebra of differentiable scalar fields on the 2-dimensional
differentiable manifold M
sage: TestSuite(f).run()
"""
ScalarField.__init__(self, parent, coord_expression=coord_expression,
chart=chart, name=name, latex_name=latex_name)
self._tensor_type = (0,0)
