class brainpy.connect.All2All(*args, include_self=True, **kwargs)[source]#

Connect each neuron in first group to all neurons in the post-synaptic neuron groups. It means this kind of conn will create (num_pre x num_post) synapses.


Build a binary matrix connection data.

If users want to customize their connections, please provide one of the following functions:

  • build_mat(): build a matrix binary connection matrix.

  • build_csr(): build a csr sparse connection data.

  • build_coo(): build a coo sparse connection data.

  • build_conn(): deprecated.


conn – A binary matrix with the shape (num_pre, num_post).

Return type: