nlcpy.tan = <ufunc 'nlcpy_tan'>

Computes the element-wise tangent.


Input an array or a scalar in radians.

outndarray or None, optional

A location into which the result is stored. If provided, it must have a shape that the inputs broadcast to. If not provided or None, a freshly-allocated array is returned. A tuple (possible only as a keyword argument) must have length equal to the number of outputs.

wherearray_like, optional

This condition is broadcast over the input. At locations where the condition is True, the out array will be set to the ufunc result. Elsewhere, the out array will retain its original value. Note that if an uninitialized out array is created via the default out=None, locations within it where the condition is False will remain uninitialized.


For other keyword-only arguments, see the section Optional Keyword Arguments.


The tangent values for each element of x. If x is a scalar, this function returns the result as a 0-dimension ndarray.



Computes the element-wise inverse tangent.


Computes the element-wise hyperbolic tangent.


>>> import nlcpy as vp
>>> from math import pi
>>> vp.tan(vp.array([-pi,pi/2,pi]))  
array([ 1.22464659e-16,  1.63312422e+16, -1.22464659e-16])
>>> # Example of providing the optional output parameter illustrating
>>> # that what is returned is a reference to said parameter
>>> out1 = vp.array([0], dtype='d')
>>> out2 = vp.tan([0.1], out=out1)
>>> out2 is out1