sigmoid: following notation rules for the shape expression
@@ -66,13 +66,13 @@ def sigmoid(x, use_cudnn=True):
Args:
x (:class:`~chainer.Variable` or :class:`numpy.ndarray` or \
:class:`cupy.ndarray`):
- Input variable. A :math:`(s_1, s_2, ..., s_n)`-shaped float array.
+ Input variable. A :math:`(s_1, s_2, ..., s_N)`-shaped float array.
use_cudnn (bool): If ``True`` and cuDNN is enabled, then this function
uses cuDNN as the core implementation.
Returns:
~chainer.Variable: Output variable. A
- :math:`(s_1, s_2, ..., s_n)`-shaped float array.
+ :math:`(s_1, s_2, ..., s_N)`-shaped float array.
.. admonition:: Example
