digamma

class saiunit.lax.digamma(x, unit_to_scale=None, **kwargs)

Elementwise digamma: \(\psi(x)\).

Parameters:

• x (Union[saiunit.Quantity, Array, ndarray, number, bool]) – Input array. Must be dimensionless or scaled via unit_to_scale.

• unit_to_scale (Optional[saiunit.Unit]) – If provided, x is scaled by this unit before applying the function.

Returns:

result – Always unitless.

Return type:

Array