pre2post_sum#
- class brainpy.math.pre2post_sum(pre_values, post_num, post_ids, pre_ids=None)[source]#
The pre-to-post synaptic summation.
This function is equivalent to:
post_val = np.zeros(post_num) for i, j in zip(pre_ids, post_ids): post_val[j] += pre_values[pre_ids[i]]
- Parameters:
- Returns:
post_val – The value with the size of post-synaptic neurons.
- Return type:
ArrayType