ConstantOperator.derivative

ConstantOperator.derivative(point)[source]

Derivative of this operator, always zero.

Returns

derivative : ZeroOperator

Examples

>>> r3 = odl.rn(3)
>>> x = r3.element([1, 2, 3])
>>> op = ConstantOperator(x)
>>> deriv = op.derivative([1, 1, 1])
>>> deriv([2, 2, 2])
rn(3).element([ 0.,  0.,  0.])