fix izhikevich

antodima · Apr 13, 2021 · db58123 · db58123
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commit db58123
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Showing 40 changed files with 13 additions and 11 deletions.
diff --git a/LAB1/images/accomodation_membrane_potential.png b/LAB1/images/accomodation_membrane_potential.png
diff --git a/LAB1/images/accomodation_phase_portrait.png b/LAB1/images/accomodation_phase_portrait.png
diff --git a/LAB1/images/bistability_membrane_potential.png b/LAB1/images/bistability_membrane_potential.png
diff --git a/LAB1/images/bistability_phase_portrait.png b/LAB1/images/bistability_phase_portrait.png
diff --git a/LAB1/images/class_1_membrane_potential.png b/LAB1/images/class_1_membrane_potential.png
diff --git a/LAB1/images/class_1_phase_portrait.png b/LAB1/images/class_1_phase_portrait.png
diff --git a/LAB1/images/class_2_membrane_potential.png b/LAB1/images/class_2_membrane_potential.png
diff --git a/LAB1/images/class_2_phase_portrait.png b/LAB1/images/class_2_phase_portrait.png
diff --git a/LAB1/images/dap_membrane_potential.png b/LAB1/images/dap_membrane_potential.png
diff --git a/LAB1/images/dap_phase_portrait.png b/LAB1/images/dap_phase_portrait.png
diff --git a/LAB1/images/inhibition_induced_bursting_membrane_potential.png b/LAB1/images/inhibition_induced_bursting_membrane_potential.png
diff --git a/LAB1/images/inhibition_induced_bursting_phase_portrait.png b/LAB1/images/inhibition_induced_bursting_phase_portrait.png
diff --git a/LAB1/images/inhibition_induced_spiking_membrane_potential.png b/LAB1/images/inhibition_induced_spiking_membrane_potential.png
diff --git a/LAB1/images/inhibition_induced_spiking_phase_portrait.png b/LAB1/images/inhibition_induced_spiking_phase_portrait.png
diff --git a/LAB1/images/mixed_mode_membrane_potential.png b/LAB1/images/mixed_mode_membrane_potential.png
diff --git a/LAB1/images/mixed_mode_phase_portrait.png b/LAB1/images/mixed_mode_phase_portrait.png
diff --git a/LAB1/images/phasic_bursting_membrane_potential.png b/LAB1/images/phasic_bursting_membrane_potential.png
diff --git a/LAB1/images/phasic_bursting_phase_portrait.png b/LAB1/images/phasic_bursting_phase_portrait.png
diff --git a/LAB1/images/phasic_spiking_membrane_potential.png b/LAB1/images/phasic_spiking_membrane_potential.png
diff --git a/LAB1/images/phasic_spiking_phase_portrait.png b/LAB1/images/phasic_spiking_phase_portrait.png
diff --git a/LAB1/images/rebound_burst_membrane_potential.png b/LAB1/images/rebound_burst_membrane_potential.png
diff --git a/LAB1/images/rebound_burst_phase_portrait.png b/LAB1/images/rebound_burst_phase_portrait.png
diff --git a/LAB1/images/rebound_spike_membrane_potential.png b/LAB1/images/rebound_spike_membrane_potential.png
diff --git a/LAB1/images/rebound_spike_phase_portrait.png b/LAB1/images/rebound_spike_phase_portrait.png
diff --git a/LAB1/images/resonator_membrane_potential.png b/LAB1/images/resonator_membrane_potential.png
diff --git a/LAB1/images/resonator_phase_portrait.png b/LAB1/images/resonator_phase_portrait.png
diff --git a/LAB1/images/spike_freq_adapt_membrane_potential.png b/LAB1/images/spike_freq_adapt_membrane_potential.png
diff --git a/LAB1/images/spike_freq_adapt_phase_portrait.png b/LAB1/images/spike_freq_adapt_phase_portrait.png
diff --git a/LAB1/images/spike_latency_membrane_potential.png b/LAB1/images/spike_latency_membrane_potential.png
diff --git a/LAB1/images/spike_latency_phase_portrait.png b/LAB1/images/spike_latency_phase_portrait.png
diff --git a/LAB1/images/subthresh_osc_membrane_potential.png b/LAB1/images/subthresh_osc_membrane_potential.png
diff --git a/LAB1/images/subthresh_osc_phase_portrait.png b/LAB1/images/subthresh_osc_phase_portrait.png
diff --git a/LAB1/images/thresh_variability_membrane_potential.png b/LAB1/images/thresh_variability_membrane_potential.png
diff --git a/LAB1/images/thresh_variability_phase_portrait.png b/LAB1/images/thresh_variability_phase_portrait.png
diff --git a/LAB1/images/tonic_bursting_membrane_potential.png b/LAB1/images/tonic_bursting_membrane_potential.png
diff --git a/LAB1/images/tonic_bursting_phase_portrait.png b/LAB1/images/tonic_bursting_phase_portrait.png
diff --git a/LAB1/images/tonic_spiking_membrane_potential.png b/LAB1/images/tonic_spiking_membrane_potential.png
diff --git a/LAB1/images/tonic_spiking_phase_portrait.png b/LAB1/images/tonic_spiking_phase_portrait.png
diff --git a/LAB1/inhibition_induced_bursting.m b/LAB1/inhibition_induced_bursting.m
@@ -1,6 +1,6 @@
 % (T) inhibition induced bursting
 
-a=-0.026; b=-1; c=-45; d=-0.7;  % d=-0.7 instead of d=-2
+a=-0.026; b=-1; c=-45; d=-2;
 u=-63.8; w=b*u;
 us=[]; ws=[]; dus=[]; dws=[]
 tau=0.5; tspan=0:tau:350;

diff --git a/LAB1/izhikevich.m b/LAB1/izhikevich.m
@@ -28,18 +28,20 @@
 
 % Izhikevich equations
 if variant==0  % baseline equations of almost all neurons
-    du = tau * (0.04*u^2 + 5*u + 140 - w + I);
-    dw = tau * a*(b*u - w);
+    du = (0.04*u^2 + 5*u + 140 - w + I);
+    dw = a*(b*u - w);
+    u = u + tau * (0.04*u^2 + 5*u + 140 - w + I);
+    w = w + tau * a*(b*u - w);
 elseif variant==1  % variant of equations for neurons: (G) and (L)
-    du = tau * (0.04*u^2 + 4.1*u + 108 - w + I);
-    dw = tau * a*(b*u - w);
+    du = (0.04*u^2 + 4.1*u + 108 - w + I);
+    dw = a*(b*u - w);
+    u = u + tau * (0.04*u^2 + 4.1*u + 108 - w + I);
+    w = w + tau * a*(b*u - w);
 elseif variant==2  % variant of equations for neuron (R)
-    du = tau * (0.04*u^2 + 5*u + 140 - w + I);
-    dw = tau * a*(b*(u+65));
+    du = (0.04*u^2 + 5*u + 140 - w + I);
+    dw = a*(b*(u+65));
+    u = u + tau * (0.04*u^2 + 5*u + 140 - w + I);
+    w = w + tau * a*(b*(u+65));
 end
 
-% updating of variables
-u = u + du;
-w = w + dw;
-
 end  %end of function