atan() [8/9]

template<typename VarMat , require_var_matrix_t< VarMat > * = nullptr>

auto stan::math::atan ( const VarMat &  x )

inline

Return the principal value of the arc tangent, in radians, of the specified variable (cmath).

Template Parameters

Varmat

a var_value with inner Eigen type

Parameters

x	Variable in range [-1, 1].

Returns

Arc tangent of variable, in radians.

Definition at line 70 of file atan.hpp.