digamma

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

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

Parameters:

• x (saiunit.Quantity | Array | ndarray | bool | number | bool | int | float | complex) – Input array. Must be dimensionless or scaled via unit_to_scale.

• unit_to_scale (saiunit.Unit | None) – If provided, x is scaled by this unit before applying the function.

Returns:

result – Always unitless.

Return type:

Array