chainer.functions.sqrt¶

chainer.functions.sqrt(x)[source]¶

Elementwise square root function.

\[y_i = \sqrt x_i.\]

If the value of \(x_i\) is negative, it returns Nan for \(y_i\) respect to underlying numpy and cupy specification.

Parameters:	x (`Variable` or N-dimensional array) – Input variable.
Returns:	Output variable.
Return type:	Variable