# maxframe.tensor.special.betaln

### maxframe.tensor.special.betaln(a, b, out=None, \*\*kwargs)

Natural logarithm of absolute value of beta function.

Computes `ln(abs(beta(a, b)))`.

* **Parameters:**
  * **a** (*array_like*) – Positive, real-valued parameters
  * **b** (*array_like*) – Positive, real-valued parameters
  * **out** (*ndarray* *,* *optional*) – Optional output array for function values
* **Returns:**
  Value of the betaln function
* **Return type:**
  scalar or ndarray

#### SEE ALSO
[`gamma`](maxframe.tensor.special.gamma.md#maxframe.tensor.special.gamma)
: the gamma function

[`betainc`](maxframe.tensor.special.betainc.md#maxframe.tensor.special.betainc)
: the regularized incomplete beta function

[`beta`](maxframe.tensor.special.beta.md#maxframe.tensor.special.beta)
: the beta function
