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Fixes for network objective function #99

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Merged
iraikov merged 2 commits into from
Sep 25, 2025
Merged

Fixes for network objective function #99

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a4495d2
fixes to network objective function
iraikov Sep 25, 2025
cb8c679
fixes to network objective function
iraikov Sep 25, 2025
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16 changes: 7 additions & 9 deletions src/miv_simulator/optimize_network.py
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Original file line number Diff line number Diff line change
Expand Up @@ -399,21 +399,19 @@ def compute_objectives(local_features, operational_config, opt_targets):
t_end = time_bins_ref[-1] + (time_bins_ref[1] - time_bins_ref[0])
# time bins for fraction active per time bin calculation
fr_time_bins = np.arange(t_start, t_end, temporal_resolution)
bin_width = time_bins_ref[1] - time_bins_ref[0]
time_centers = time_bins_ref + bin_width / 2
fr_time_centers = fr_time_bins + temporal_resolution / 2
fr_time_centers = (fr_time_bins + temporal_resolution / 2).astype(
np.float32
)
if sum_active_per_bin is None:
sum_active_per_bin = np.zeros_like(time_centers)
sum_active_per_bin = np.zeros_like(fr_time_centers, dtype=np.float32)
for gid, dens_dict in spike_density_dict.items():
mean_rate = np.mean(dens_dict["rate"])
if mean_rate > 0.0:
sum_mean_rate_local += mean_rate
ip_rate = np.interp1d(
ip_rate = np.interp(
fr_time_centers,
dens_dict["rate"],
kind="linear",
bounds_error=False,
fill_value=0.0,
dens_dict["time"].astype(np.float32),
dens_dict["rate"].astype(np.float32),
)
active_per_bin = ip_rate > active_threshold
sum_active_per_bin += active_per_bin
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