# cupy.compress¶

cupy.compress(condition, a, axis=None, out=None)[source]

Returns selected slices of an array along given axis.

Parameters
• condition (1-D array of bools) – Array that selects which entries to return. If len(condition) is less than the size of a along the given axis, then output is truncated to the length of the condition array.

• a (cupy.ndarray) – Array from which to extract a part.

• axis (int) – Axis along which to take slices. If None (default), work on the flattened array.

• out (cupy.ndarray) – Output array. If provided, it should be of appropriate shape and dtype.

Returns

A copy of a without the slices along axis for which

condition is false.

Return type

cupy.ndarray

Warning

This function may synchronize the device.