Constant
Constant(self, *args, **kwargs)Symbol representing a constant, scalar value in symbolic equations. A Constant carries a scalar value.
Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| name | str | Name of the symbol. | required |
| dtype | data - type | Any object that can be interpreted as a numpy data type. | np.float32 |
Examples
>>> from devito import Constant
>>> c = Constant(name='c')
>>> c
c
>>> c.data
0.0
>>> c.data = 4
>>> c.data
4.0Notes
The parameters must always be given as keyword arguments, since SymPy uses *args to (re-)create the dimension arguments of the symbolic object.
Attributes
| Name | Description |
|---|---|
| data | The value of the data object, as a scalar (int, float, …). |
| is_Constant | bool(x) -> bool |
| is_Input | bool(x) -> bool |