# chainerx.concatenate¶

chainerx.concatenate(arrays, axis=0)

Joins arrays along an axis.

Parameters
• arrays (sequence of ndarrays) – Arrays to be joined. All of these should have the same dimensionalities except the specified axis.

• axis (int) – The axis to join arrays along.

Returns

Joined array.

Return type

ndarray

Note

During backpropagation, this function propagates the gradient of the output array to the input arrays in arrays.