KullbackLeiblerCrossEntropyConvexConj.derivative

KullbackLeiblerCrossEntropyConvexConj.derivative(point)

Return the derivative operator in the given point.

This function returns the linear operator given by:

self.derivative(point)(x) == self.gradient(point).inner(x)

Parameters:

pointdomain element

The point in which the gradient is evaluated.

Returns:

derivativeOperator